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  • Managing multiple customer databases in ASP.NET MVC application

    - by Robert Harvey
    I am building an application that requires separate SQL Server databases for each customer. To achieve this, I need to be able to create a new customer folder, put a copy of a prototype database in the folder, change the name of the database, and attach it as a new "database instance" to SQL Server. The prototype database contains all of the required table, field and index definitions, but no data records. I will be using SMO to manage attaching, detaching and renaming the databases. In the process of creating the prototype database, I tried attaching a copy of the database (companion .MDF, .LDF pair) to SQL Server, using Sql Server Management Studio, and discovered that SSMS expects the database to reside in c:\program files\Microsoft SQL Server\MSSQL.1\MSSQL\DATA\MyDatabaseName.MDF Is this a "feature" of SQL Server? Is there a way to manage individual databases in separate directories? Or am I going to have to put all of the customer databases in the same directory? (I was hoping for a little better control than this). NOTE: I am currently using SQL Server Express, but for testing purposes only. The production database will be SQL Server 2008, Enterprise version. So "User Instances" are not an option.

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  • Connection Pool Strategy: Good, Bad or Ugly?

    - by Drew
    I'm in charge of developing and maintaining a group of Web Applications that are centered around similar data. The architecture I decided on at the time was that each application would have their own database and web-root application. Each application maintains a connection pool to its own database and a central database for shared data (logins, etc.) A co-worker has been positing that this strategy will not scale because having so many different connection pools will not be scalable and that we should refactor the database so that all of the different applications use a single central database and that any modifications that may be unique to a system will need to be reflected from that one database and then use a single pool powered by Tomcat. He has posited that there is a lot of "meta data" that goes back and forth across the network to maintain a connection pool. My understanding is that with proper tuning to use only as many connections as necessary across the different pools (low volume apps getting less connections, high volume apps getting more, etc.) that the number of pools doesn't matter compared to the number of connections or more formally that the difference in overhead required to maintain 3 pools of 10 connections is negligible compared to 1 pool of 30 connections. The reasoning behind initially breaking the systems into a one-app-one-database design was that there are likely going to be differences between the apps and that each system could make modifications on the schema as needed. Similarly, it eliminated the possibility of system data bleeding through to other apps. Unfortunately there is not strong leadership in the company to make a hard decision. Although my co-worker is backing up his worries only with vagueness, I want to make sure I understand the ramifications of multiple small databases/connections versus one large database/connection pool.

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  • SQLAuthority News – SQL Server Wait Stats – eBook to Download on Kindle – Answer to FREE PDF Download Request

    - by pinaldave
    Being a book author is a completely new experience for me. I am yet to come across the issues faced by expert book authors. I assume that these interesting issues can be routine ones for expert book authors. One of the biggest requests I am getting for my SQL Server Wait Stats [Amazon] | [Flipkart] | [Kindle] book is my humble attempt to write a book. This is our very first experiment, and the book is beginning of the subject of SQL Server Wait Stats; we will come up with a new version of the book later next year when we have enough information for the SQL Server 2012 version. Following are the top 2 requests that I keep on receiving in emails, on blogs, Twitter, and Facebook. “Please send us FREE PDF of your book so we do not have to purchase it.” “If you can share with us the eBook (free and downloadable) format of your book, we will share it with everybody we know and you will get additional exposure.” Here is my response for the abovementioned requests: If you really need my book and cannot purchase it due to financial trouble, then feel free to let me know and I will purchase it myself and ship it to you. If you are in a country where the print book not available, then you can buy the Kindle book, which is available online in any country, and you can just read it on your computer and mobile devices. You DO NOT have to own a Kindle to read a Kindle format book. You can freely download Kindle software on your desired format and purchase the book online. For next 5 days, the kindle book is available at 3.99 in USA, and in other countries, the price is anywhere between 3.99 and 5.99. The price will go up by USD 2 everywhere across the world after 1st November, 2011. Here is the link to download Kindle Software for free PC, WP7, and in marketplace for various other mobile devices. I thank you for giving warm response to SQL Server Wait Stats book. I am motivated to write the next expanded version of this book. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: About Me, Database, Pinal Dave, PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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  • DD-WRT/openwrt question (TP-Link WR1043N)

    - by Shiki
    Can I squeeze more speed out of my router (when it comes to USB attached storage device on it) with open/DD wrt? (Sorry I don't really know such firmwares.) (Guess it works with ntfs-3g? I don't know.) Feel free to make this a real question. Basically the question: Does the change worth it in the terms of speed?

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  • Cloudera Manager CDH5 - Installation Failure on Oozie Database

    - by Nerrve
    While doing the installation, i keep getting a failure on the step "Creating Oozie database" java.lang.Exception: DB schema exists at org.apache.oozie.tools.OozieDBCLI.validateDBSchema(OozieDBCLI.java:877) at org.apache.oozie.tools.OozieDBCLI.createDB(OozieDBCLI.java:184) at org.apache.oozie.tools.OozieDBCLI.run(OozieDBCLI.java:127) at org.apache.oozie.tools.OozieDBCLI.main(OozieDBCLI.java:78) How do i fix this? Where do i get the password/username/dbname for the PostgreSQL database to drop the existing schema? I tried cat /etc/cloudera-scm-server/db*.properties | grep pass and /var/lib/cloudera-scm-server-db/data/generated-password.txt but the passwords don't work!

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  • Graphite SQLite3 DatabaseError: attempt to write a readonly database

    - by Anadi Misra
    Running graphite under apache httpd, with slqite database, I have the correct folder permissions [root@liaan55 httpd]# ls -ltr /var/lib | grep graphite drwxr-xr-x. 2 apache apache 4096 Aug 23 19:36 graphite-web and [root@liaan55 httpd]# ls -ltr /var/lib/graphite-web/ total 68 -rw-r--r--. 1 apache apache 65536 Aug 23 19:46 graphite.db syncdb also seems to have gone fine [root@liaan55 httpd]# sudo -su apache bash-4.1$ whoami apache bash-4.1$ python /usr/lib/python2.6/site-packages/graphite/manage.py syncdb /usr/lib/python2.6/site-packages/graphite/settings.py:231: UserWarning: SECRET_KEY is set to an unsafe default. This should be set in local_settings.py for better security warn('SECRET_KEY is set to an unsafe default. This should be set in local_settings.py for better security') /usr/lib/python2.6/site-packages/django/conf/__init__.py:75: DeprecationWarning: The ADMIN_MEDIA_PREFIX setting has been removed; use STATIC_URL instead. "use STATIC_URL instead.", DeprecationWarning) /usr/lib/python2.6/site-packages/django/core/cache/__init__.py:82: DeprecationWarning: settings.CACHE_* is deprecated; use settings.CACHES instead. DeprecationWarning Creating tables ... Creating table account_profile Creating table account_variable Creating table account_view Creating table account_window Creating table account_mygraph Creating table dashboard_dashboard_owners Creating table dashboard_dashboard Creating table events_event Creating table auth_permission Creating table auth_group_permissions Creating table auth_group Creating table auth_user_user_permissions Creating table auth_user_groups Creating table auth_user Creating table django_session Creating table django_admin_log Creating table django_content_type Creating table tagging_tag Creating table tagging_taggeditem You just installed Django's auth system, which means you don't have any superusers defined. Would you like to create one now? (yes/no): yes Username (leave blank to use 'apache'): root E-mail address: [email protected] Password: Password (again): Superuser created successfully. Installing custom SQL ... Installing indexes ... Installed 0 object(s) from 0 fixture(s) bash-4.1$ exit and the local-settings.py file is as follows STORAGE_DIR = '/var/lib/graphite-web' INDEX_FILE = '/var/lib/graphite-web/index' DATABASES = { 'default': { 'NAME': '/var/lib/graphite-web/graphite.db', 'ENGINE': 'django.db.backends.sqlite3', 'USER': '', 'PASSWORD': '', 'HOST': '', 'PORT': '' } } I still get this error [Sat Aug 23 19:47:17 2014] [error] [client 10.42.33.238] File "/usr/lib/python2.6/site-packages/django/db/backends/sqlite3/base.py", line 344, in execute [Sat Aug 23 19:47:17 2014] [error] [client 10.42.33.238] return Database.Cursor.execute(self, query, params) [Sat Aug 23 19:47:17 2014] [error] [client 10.42.33.238] DatabaseError: attempt to write a readonly database not sure what is missing in this configuration

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  • Mini DisplayPort to DVI-D Dual Link up to 2560 * 1600

    - by Steinway Wu
    I have a ThinkPad T530 with Mini DP++ and NVS 5400M, which are said to support 2560 * 1600 resolution. The display is Dell 3007WFP, which also supports 2560 * 1600. But, I have never seen any cables or adapters that can connect them with full support to 2560 * 1600. Do you have any idea? THANK YOU! In addition, I found that mDP++ means I can use a passive adapter. No need for active adapter which is much more expensive. This is the only one that meets my needs, but it is not sold in the US. And this one seems to be OK, but I am not sure because it says "2.5 Gbps per channel", which may not be enough.

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  • Recovering database files from a corrupted VHD

    - by Apocalypse9
    We have a SQL server hosted on a virtual machine. Our hosting company updated/restarted the server and for some reason the virtual machines became unbootable. We've spoken to Microsoft and used a few higher level tools to attempt to recover the virtual machines but were unsuccessful. In browsing the file system the database folder doesn't even appear. I'm wondering if there are any lower level tools that might be able to find and copy the database files. As far as I know the physical hard drive is ok, so I'm hoping there may be some way to recover the files themselves even if the rest of the virtual machine file-system is a loss. Obviously we're in a bit of a bind, and any help/ suggestions are very much appreciated.

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  • MySQL: Replicating the MySQL database

    - by Lee
    Hi guys, I have a primary write server (server1) which replications to two servers (server2 and server3) which are query servers. I am replicating all databases to these servers including the MySQL database. When i execute a GRANT as follows replication works perfectly.. GRANT execute,select ON database1.* TO `user1`@`host` IDENTIFIED BY 'password'; However if i did the same GRANT to alter permissions on an existing user without IDENTIFIED clause replication breaks.. Error 'Can't find any matching row in the user table' on query. Default database: 'mysql'. Query: 'GRANT execute,select ON database1.* TO `user`@`host`' If I try and run the query manually i get the same error.. Server 1: mysql> SHOW VARIABLES LIKE "%version%"; +-------------------------+------------------------------------------------------------+ | Variable_name | Value | +-------------------------+------------------------------------------------------------+ | protocol_version | 10 | | version | 5.0.77-log | **my.cnf** [mysqld] datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock user=mysql old_passwords=1 symbolic-links=0 max_allowed_packet = 100M log-bin = /var/lib/mysql/logs/borg-binlog.log max_binlog_size=50M expire_logs_days=7 [mysql.server] user=mysql basedir=/var/lib [mysqld_safe] log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid Server 2: mysql> SHOW VARIABLES LIKE "%version%"; +-------------------------+------------------------------------------------------------+ | Variable_name | Value | +-------------------------+------------------------------------------------------------+ | protocol_version | 10 | | version | 5.0.77-log | my.cnf server-id=12 master-host=x master-user=x master-password=x master-connect-retry=60 relay-log=/var/lib/mysql/borg-relay.log relay-log-index=/var/lib/mysql/borg-relay-log.index Thanks for taking a look Edit: Currently its running fine, until you do the grant which breaks it... mysql> show slave status\G *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: 10.128.0.5 Master_User: repli-ragnarok Master_Port: 3306 Connect_Retry: 60 Master_Log_File: borg-binlog.002730 Read_Master_Log_Pos: 4375760 Relay_Log_File: borg-relay.005489 Relay_Log_Pos: 4375899 Relay_Master_Log_File: borg-binlog.002730 Slave_IO_Running: Yes Slave_SQL_Running: Yes Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 0 Last_Error: Skip_Counter: 0 Exec_Master_Log_Pos: 4375760 Relay_Log_Space: 4375899 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: 0 1 row in set (0.00 sec) Edit: Broken show slave status from history +----------------------------------+-------------+----------------+-------------+---------------+--------------------+---------------------+-------------------+---------------+-----------------------+------------------+-------------------+-----------------+---------------------+--------------------+------------------------+-------------------------+-----------------------------+------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--------------+---------------------+-----------------+-----------------+----------------+---------------+--------------------+--------------------+--------------------+-----------------+-------------------+----------------+-----------------------+ | Slave_IO_State | Master_Host | Master_User | Master_Port | Connect_Retry | Master_Log_File | Read_Master_Log_Pos | Relay_Log_File | Relay_Log_Pos | Relay_Master_Log_File | Slave_IO_Running | Slave_SQL_Running | Replicate_Do_DB | Replicate_Ignore_DB | Replicate_Do_Table | Replicate_Ignore_Table | Replicate_Wild_Do_Table | Replicate_Wild_Ignore_Table | Last_Errno | Last_Error | Skip_Counter | Exec_Master_Log_Pos | Relay_Log_Space | Until_Condition | Until_Log_File | Until_Log_Pos | Master_SSL_Allowed | Master_SSL_CA_File | Master_SSL_CA_Path | Master_SSL_Cert | Master_SSL_Cipher | Master_SSL_Key | Seconds_Behind_Master | +----------------------------------+-------------+----------------+-------------+---------------+--------------------+---------------------+-------------------+---------------+-----------------------+------------------+-------------------+-----------------+---------------------+--------------------+------------------------+-------------------------+-----------------------------+------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--------------+---------------------+-----------------+-----------------+----------------+---------------+--------------------+--------------------+--------------------+-----------------+-------------------+----------------+-----------------------+ | Waiting for master to send event | 10.128.0.5 | repli-valhalla | 3306 | 60 | borg-binlog.002729 | 40429793 | borg-relay.005486 | 40311514 | borg-binlog.002729 | Yes | No | | | | | | | 1133 | Error 'Can't find any matching row in the user table' on query. Default database: 'mysql'. Query: 'GRANT execute,select ON auth_tracker.* TO `mail-sin1`@`%.sin1.netline.net.uk` IDENTIFIED BY 'mail-sin1666'' | 0 | 40311375 | 40429932 | None | | 0 | No | | | | | | NULL | +----------------------------------+-------------+----------------+-------------+---------------+--------------------+---------------------+-------------------+---------------+-----------------------+------------------+-------------------+-----------------+---------------------+--------------------+------------------------+-------------------------+-----------------------------+------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--------------+---------------------+-----------------+-----------------+----------------+---------------+--------------------+--------------------+--------------------+-----------------+-------------------+----------------+-----------------------+ 1 row in set (0.06 sec)

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  • Need to link WP Blog with Rails App on Heroku

    - by John Glass
    I have a client who wants to migrate his Rails app to Heroku. However the client also has a blog associated with his domain that runs on WordPress. Currently, the WordPress blog is running happily alongside the Rails app, but once we migrate to Heroku, that clearly won't be possible. The url for the app is like http://mydomain.com, and the url for the blog is like http://mydomain/blog. I realize that the best long-term solution is to redo the blog in a Rails format like Toto or Jekyll. But in the short term, what is the best way to continue hosting the WP blog where it is (or somewhere) but use Heroku to run the app? The client doesn't want the blog to be on a subdomain, but to remain at mydomain/blog for SEO reasons and also since there is traffic to the blog. I have two ideas: Use rack_rewrite or refraction (or just a regular old 301 and Apache mod_rewrite) on the old (non-Heroku) server to redirect the main url from the old site to Heroku. In this case, I can just leave the Wordpress blog running happily where it is. I think?? Is there a reason to choose one of those options (rack_rewrite, refraction, or mod_rewrite) over the others if I do it this way? Switch the DNS info to point to the Heroku site, and then use a 301 redirect from the blog to the old site. But then I'll have to get the old (non-Heroku) site on a subdomain and use some kind of rewrite rules anyway so it looks like it isn't a subdomain. Are either of these approaches preferable, or is there another way to do it that's easier that I'm missing?

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  • Migrated SQL Server database suddenly in "Restoring" state

    - by Pete Montgomery
    Edit: This is still a live prob, less than an hour after trying RESTORE ... WITH RECOVERY. I backed up a SQL Server 2005 database and restored it to a new SQL 2008 instance. The restore was quick and successful. Everything was fine for an hour or so. Suddenly, the database is now stuck in "(Restoring...)" state in Management Studio and has a green arrow icon, and my application login is failing! Any advice? :-) Edit: This is a live application. If I delete and try again, the hour or so's data will be lost.

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  • Xeon X5550 vs Six-core Opteron for database server

    - by gregmac
    I'm specing out a database server, and the price works out to be reasonably close between an Intel X5550 Quad-core and an AMD 2425HE (2.1Ghz) Six-core Opteron. I've been looking for some comparisons between the two, but the only thing useful I've found is an AnandTech Review of the 2435 which compares it to Intel Xeons, but concludes they both have their place. My load is MS SQL Server 2008, with an OLTP database that has about an equal amount of reading/writing (and it's a reasonably heavy load). So my question is, what is going to work better in this situation, assuming the drives are the same: Xeon X5550, with 16GB 1333Mhz RAM (Dell R510) or an Opteron 2425HE (2.1Ghz) or 2439SE (2.8Ghz) with 16GB of 800Mhz RAM? (Dell 2970) Note: the 2439 adds $500, but the overall pricing works out that it's not that much more than the R510. Using the 2425HE, the Dell 2970 server is slightly less than the similarly-equipped R510). If it adds a decent amount of performance, it's worthwhile to go faster. (single CPU, in both cases).

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  • Trouble recovering MySQL InnoDB database after server crash

    - by Andy Shinn
    I had a server crash due to a broken iSCSI link (the filesystem went into read-only mode). After repairing the link and rebooting the machine (CentOS 5 / MySQL 5.1), the MySQL server would not start and gave the following error: 100603 19:11:46 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql InnoDB: The log sequence number in ibdata files does not match InnoDB: the log sequence number in the ib_logfiles! 100603 19:11:46 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery. InnoDB: Reading tablespace information from the .ibd files... InnoDB: Restoring possible half-written data pages from the doublewrite InnoDB: buffer... InnoDB: Warning: database page corruption or a failed InnoDB: file read of page 112541. InnoDB: Trying to recover it from the doublewrite buffer. InnoDB: Dump of the page: 100603 19:11:46 InnoDB: Page dump in ascii and hex (16384 bytes): lots of binary data 100603 19:11:46 InnoDB: Page checksum 953720272, prior-to-4.0.14-form checksum 2641912043 InnoDB: stored checksum 617821918, prior-to-4.0.14-form stored checksum 2080617765 InnoDB: Page lsn 115 2632899642, low 4 bytes of lsn at page end 2641594600 InnoDB: Page number (if stored to page already) 112541, InnoDB: space id (if created with = MySQL-4.1.1 and stored already) 0 InnoDB: Page may be an index page where index id is 0 616 InnoDB: Dump of corresponding page in doublewrite buffer: 100603 19:11:46 InnoDB: Page dump in ascii and hex (16384 bytes): more binary data 100603 19:11:46 InnoDB: Page checksum 908374788, prior-to-4.0.14-form checksum 824841363 InnoDB: stored checksum 912869634, prior-to-4.0.14-form stored checksum 2210927931 InnoDB: Page lsn 115 2635312169, low 4 bytes of lsn at page end 2633173354 InnoDB: Page number (if stored to page already) 112541, InnoDB: space id (if created with = MySQL-4.1.1 and stored already) 0 InnoDB: Page may be an index page where index id is 0 616 InnoDB: Also the page in the doublewrite buffer is corrupt. InnoDB: Cannot continue operation. InnoDB: You can try to recover the database with the my.cnf InnoDB: option: InnoDB: innodb_force_recovery=6 100603 19:11:46 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended Per the error message, I have tried setting set-variable=innodb_force_recovery=6 in the my.cnf to get to the data. This allows the MySQL server to start. But when I try to do a mysqldump of the database or a SELECT * INTO OUTFILE "filename" FROM broken_table; it seems to endlessly just export the same line over and over again. I have also tried http://code.google.com/p/innodb-tools/. But this tool fails with an error that 'blob' type is not supported. If I try to access the data using the PHP application it crashes MySQL: `100603 19:19:19 - mysqld got signal 11 ; This could be because you hit a bug. It is also possible that this binary or one of the libraries it was linked against is corrupt, improperly built, or misconfigured. This error can also be caused by malfunctioning hardware. We will try our best to scrape up some info that will hopefully help diagnose the problem, but since we have already crashed, something is definitely wrong and this may fail. key_buffer_size=8384512 read_buffer_size=131072 max_used_connections=2 max_threads=151 threads_connected=2 It is possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 338317 K bytes of memory Hope that's ok; if not, decrease some variables in the equation. thd: 0x15d33f0 Attempting backtrace. You can use the following information to find out where mysqld died. If you see no messages after this, something went terribly wrong... stack_bottom = 0x453aff00 thread_stack 0x40000 /usr/libexec/mysqld(my_print_stacktrace+0x24) [0x874364] /usr/libexec/mysqld(handle_segfault+0x346) [0x5c9166] /lib64/libpthread.so.0 [0x3a6e40eb10] /usr/libexec/mysqld(rec_get_offsets_func+0x30) [0x7cc310] /usr/libexec/mysqld [0x7674d8] /usr/libexec/mysqld(btr_search_info_update_slow+0x638) [0x768d48] /usr/libexec/mysqld(btr_cur_search_to_nth_level+0xc7d) [0x75f86d] /usr/libexec/mysqld [0x7dd1c1] /usr/libexec/mysqld(row_search_for_mysql+0x18b0) [0x7e03d0] /usr/libexec/mysqld(ha_innobase::general_fetch(unsigned char*, unsigned int, unsigned int)+0x7c) [0x7526fc] /usr/libexec/mysqld(handler::read_multi_range_next(st_key_multi_range**)+0x29) [0x6aed09] /usr/libexec/mysqld(QUICK_RANGE_SELECT::get_next()+0x194) [0x69a964] /usr/libexec/mysqld [0x6aafe9] /usr/libexec/mysqld(sub_select(JOIN*, st_join_table*, bool)+0x56) [0x635196] /usr/libexec/mysqld [0x63f9cd] /usr/libexec/mysqld(JOIN::exec()+0x950) [0x6497c0] /usr/libexec/mysqld(mysql_select(THD*, Item*, TABLE_LIST*, unsigned int, List&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsign ed long long, select_result*, st_select_lex_unit*, st_select_lex*)+0x17b) [0x64b34b] /usr/libexec/mysqld(handle_select(THD*, st_lex*, select_result*, unsigned long)+0x169) [0x64bc79] /usr/libexec/mysqld [0x5d34b6] /usr/libexec/mysqld(mysql_execute_command(THD*)+0x4e5) [0x5d6b45] /usr/libexec/mysqld(mysql_parse(THD*, char const*, unsigned int, char const)+0x211) [0x5dc321] /usr/libexec/mysqld(dispatch_command(enum_server_command, THD*, char*, unsigned int)+0x10b8) [0x5dd3f8] /usr/libexec/mysqld(do_command(THD*)+0xe6) [0x5dd9e6] /usr/libexec/mysqld(handle_one_connection+0x73d) [0x5d036d] /lib64/libpthread.so.0 [0x3a6e40673d] /lib64/libc.so.6(clone+0x6d) [0x3a6d4d3d1d] Trying to get some variables. Some pointers may be invalid and cause the dump to abort... thd-query at 0x15de5e0 = SELECT DISTINCT count(DISTINCT i.itemid) as rowscount,i.hostid FROM items i WHERE ((i.itemid BETWEEN 000000000000000 AND 0999999 99999999)) AND i.type<9 AND (i.hostid IN (10017,10047,10050,10054,10056,10059,10062,10063,10064,10065,10066,10067,10068,10069,10070,10071,10072,10073,100 74,10075,10076,10077,10078,10079,10080,10081,10082,10084,10088,10089,10090,10091,10092,10093,10094,10095,10096,10097,10098,10099,10100,10101,10102,10103,10 104,10105,10106,10107,10108,10109)) GROUP BY i.hostid thd-thread_id=3 thd-killed=NOT_KILLED The manual page at contains information that should help you find out what is causing the crash. 100603 19:19:19 mysqld_safe Number of processes running now: 0 100603 19:19:19 mysqld_safe mysqld restarted` Before recovering form an older backup as a last resort I am looking for anymore suggestions. Thanks!

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  • Install Sybase SQL Anywhere 11 as windows service

    - by student
    we are using Sybase SQL Anywhere 11. I am using command line to install/init database, dbinit -dba %username%,%pwd% -p 4k %dbLocation%, and start database server, dbsrv11 %dbLocation%, in a batch file. What I really want is install my database as Windows service and can be start/running automatically when machine get reboot. But I want to keep using batch for easy intall/uninstall/change it. Any Sybase expert here?

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  • Router failover not detecting outside interface link lost

    - by Matt
    Suppose I have two routers configured in master/slave configuration. They look something like this (addresses are not real ones) 123.123.123.10 <===> [eth0] Router 1 (10.1.1.2) [eth1] ===> +----------+ | 10.1.1.1 | ===> LAN 172.123.123.10 <===> [eth0] Router 2 (10.1.1.3) [eth1] ===> +----------+ The 10.1.1.1 is the default route for the Network (10.1.1.0). What's slightly different in this config to other's I've seen is that I don't have an external virtual IP. Also, the 10.1.1.1 addresses are in real life, public IP's (not private ones shown here). This is more of a router setup than a firewall setup so I'm not using NAT here. Now the issue that I'm having is that I can't see any way to configure UCARP or VRRP to monitor both eth0 & eth1 and fail over to the backup router should either of them go down. What I'm seeing is that if Router1 is the master and I unplug eth0 on router1, it doesn't fail over to router 2. However, it will if instead I unplug eth1 of router 1. In VRRP I see there is a cluster group, but it seems that for this to work you need to have virtual ip's or vrrp instances rather than actual interfaces assigned to it. I hope my explanation is clear. How do I get around this?

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  • Bonding: works only from one link

    - by Crazy_Bash
    I would like to install bonding with 4 links. but only one of them is active. eth4 is always active. the others simply don't work. those are my configs: DEVICE="eth2" BOOTPROTO="none" MASTER=bond0 SLAVE=yes USERCTL=no NM_CONTROLLED="no" ONBOOT="yes" DEVICE="eth3" BOOTPROTO="none" MASTER=bond0 SLAVE=yes USERCTL=no NM_CONTROLLED="no" ONBOOT="yes" DEVICE="eth4" BOOTPROTO="none" MASTER=bond0 SLAVE=yes USERCTL=no NM_CONTROLLED="no" ONBOOT="yes" DEVICE="eth5" BOOTPROTO="none" MASTER=bond0 SLAVE=yes USERCTL=no NM_CONTROLLED="no" ONBOOT="yes" DEVICE=bond0 IPADDR=<ip> BROADCAST=<ip> NETWORK=<ip> GATEWAY=<ip> NETMASK=<ip> USERCTL=no BOOTPROTO=none ONBOOT=yes NM_CONTROLLED=no /etc/modprobe.d/bonding.conf alias bond0 bonding options bond0 mode=4 miimon=100 updelay=200 #downdelay=200 xmit_hash_policy=layer3+4 lacp_rate=1 Linux: Linux 3.0.0+ #1 SMP Fri Oct 26 07:55:47 EEST 2012 x86_64 x86_64 x86_64 GNU/Linux what i've tried: downdelay=200 xmit_hash_policy=layer3+4 lacp_rate=1

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  • Grant users access to mysql with a dash in the database name

    - by Matt
    Unfortunately, I have a database name with a dash in it. How do I grant access to that database as mysql reports a syntax error. e.g. grant select,insert,update,delete on astpp.* to 'portal'@'localhost' identified by 'Ab7g12Xh35' with grant option; works, but grant select,insert,update,delete on astpp-eth01.* to 'portal'@'localhost' identified by 'Ab7g12Xh35' with grant option; Does not. Neither does: grant select,insert,update,delete on 'astpp-eth01'.* to 'portal'@'localhost' identified by 'Ab7g12Xh35' with grant option;

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  • SQL 2008 Datawarehouse Collection Agent Fails with Mirrored Databases on instance

    - by Dale Wright
    I have a data collection job that fails when a Database on the instance is in Recovery Mode. The database in recovery is the MIRROR partner in the database mirror. The Job that fails is as follows. collection_set_1_noncached_collect_and_upload The job consists of the following steps dcexec -u -s 1 -i "INSTANCE03" EXEC [dbo].[sp syscollector purge collection logs] dcexec -u -s 1 -i "INSTANCE03" The job fails at Step 1. I have run the steps manually and they all appear to be ok. If I change the mirror database to be the principal the job completes successfully.

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  • FreeNX 0.7.3 under CentOS 6.3 - Negotiating link parameters

    - by Frank
    since some days I try to get freenx (CentOS package 0.7.3) running under CentOS 6.3. It is like found on many websites: First login is successfull, after that all login attempts fail with the negotiation error. A simple ssh with the same username to the server is successful. For the installation I followed the howTo on http://wiki.centos.org/HowTos/FreeNX Strange is that the changelog of FreeNX 0.7.3 tells that this bug was fixed. Has anybody been successful in running FreeNX under CentOS without this problem and knows how to fix it? Frank

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  • SQL Server Management Studio Reports: Why no open transactions?

    - by Sleepless
    On a server with several hundred user connections, when I open the SQL Server 2008 SP1 Management Studio report "Database - User Statistics", the result page shows the following results: Login Name: appUser Active Sessions: 243 Active Connections: 243 Open Transactions: 374 Still, when I open the report "Database - All Transactions" on the same DB, it doesn't show any connections ("Currently, there are no transactions running for [Database Name] Database"). What gives? Is this a bug in Management Studio? This is not the only report where this kind of behavious happens... Thanks all!

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