Getting ZFS per dataset IO statistics (or NFS per export IO statistics)

Posted by jkj on Server Fault See other posts from Server Fault or by jkj
Published on 2011-06-09T11:34:34Z Indexed on 2011/06/21 16:24 UTC
Read the original article Hit count: 332

Filed under:

solaris

|

nfs

|

zfs

|

opensolaris

|

openindiana

Where do I find statistics about how IO is divided between zfs datasets? (zpool iostat only tells me how much IO a pool is experiencing.)

All the relevant datasets are used through NFS, so I'd be happy with per export NFS IO statistics also.

We're currently running OpenIndiana

[edit]

It seems that operation and byte counter are available in kstat

kstat -p unix:*:vopstats_???????
...
unix:0:vopstats_2d90002:nputpage        50
unix:0:vopstats_2d90002:nread   12390785
...
unix:0:vopstats_2d90002:read_bytes      22272845340
unix:0:vopstats_2d90002:readdir_bytes   477996168
...

...but the strange hexadecimal ID numbers have to be resolved from /etc/mnttab (better ideas?)

rpool/export/home/jkj /export/home/jkj zfs rw,...,dev=2d90002 1308471917

Now writing a munin plugin to use the data...

© Server Fault or respective owner

Related posts about solaris

Solaris 11 Launch Blog Carnival Roundup

as seen on Oracle Blogs - Search for 'Oracle Blogs'
Solaris 11 is here! And together with the official launch activities, a lot of Oracle and non-Oracle bloggers contributed helpful and informative blog articles to help your datacenter go to eleven. Here are some notable blog postings, sorted by category for your Solaris 11 blog-reading pleasure: Getting… >>> More
Solaris OS?????????? (??????·SIer????!??????)

as seen on Oracle Blogs - Search for 'Oracle Blogs'
Solaris11???????????????2011?11??????OS????????11.1??????????2012?11???????????????OTN?Solaris11?????????????????????????????????????OTN?????????????????????????????????????????????????????????????????????IT?????????Solaris??????????????????????????????????????????Solaris???????Solaris 11????????… >>> More
????????????????? Oracle Solaris ??? - Solaris 11 ????(??)

as seen on Oracle Blogs - Search for 'Oracle Blogs'
???????????????? OS ????????????????????? 20 ??????????????????? Solaris?????????????????????? OS????????????????????????Solaris ???????????????????? ??????Oracle Solaris ??????????????6??????????????????Oracle Solaris ?????????????????????? [????????????] ?????(????????????? ???)?????(?… >>> More
????????????????? Oracle Solaris ??? - Solaris 11 ????

as seen on Oracle Blogs - Search for 'Oracle Blogs'
???????????????? OS ????????????????????? 20 ??????????????????? Solaris?????????????????????? OS????????????????????????Solaris ???????????????????? ??????Solaris ?????????????? 4 ????????????????????? Oracle Solaris 11 ??????????????? [????????????]???? ?(????????????? ???)???? ?(?????… >>> More
??????????·????????????Oracle Solaris Cluster 4.0?

as seen on Oracle Blogs - Search for 'Oracle Blogs'
??????OS?Oracle Solaris 11???????????????·????????????Oracle Solaris Cluster 4.0???2011?12?6????????????Oracle Solaris 11 ???????????????????????????Oracle Solaris Cluster 4.0 ???????????????????????? Oracle Solaris Cluster 4.0 ?3?????? - Oracle Solaris Cluster… >>> More

Related posts about nfs

12.10 update breaks NFS mount

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
I've just upgraded to the latest 12.10 beta. Rebooted twice. The problem is with the NFS folders not mounting, here's a verbose log. # mount -v myserver:/nfs_shared/tools /tools/ mount: no type was given - I'll assume nfs because of the colon mount.nfs: timeout set for Mon Oct 1 11:42:28 2012 mount… >>> More
NFS to NFS mount

as seen on Server Fault - Search for 'Server Fault'
I have a machine that I need to bridge NFS files to. Can I mount an NFS directory on machine2 from machine1 and then mount the mounted NFS directory on machine2 on machine3 via NFS? Do you see any problems with that? I am basically bridging some subnet domains this way, in a certain fashion. My development… >>> More
CentOS 5.4 NFS v4 client file permissions differ from original files & NFS Share file contents

as seen on Server Fault - Search for 'Server Fault'
Having a strange problem with NFS share and file permissions on the 1 out of the 2 NFS clients, web1 has file permissions issues but web2 is fine. web1 and web2 are load balanced web servers. So questions are: how do I ensure NFS share file contents retain the same permissions for user/group as… >>> More
Slow NFS and GFS2 performance

as seen on Server Fault - Search for 'Server Fault'
Recently I've designed and configured a 4 node cluster for a webapp that does lots of file handling. The cluster have been broken down into 2 main roles, webserver and storage. Each role is replicated to a second server using drbd in active/passive mode. The webserver does a NFS mount of the data… >>> More
NFS (with Kerberos) mount failing due to "Server not found in Kerberos database" error

as seen on Server Fault - Search for 'Server Fault'
When running: `sudo mount -t nfs4 -o sec=krb5 sol.domain.com:/ /mnt` I get this error on the client: mount.nfs4: access denied by server while mounting sol.domain.com:/ And on the server syslogs UNKNOWN_SERVER: authtime 0, nfs/[email protected] for nfs/ip-#-#-#-#.ec2.internal@SOL… >>> More