ZFS: Difference between revisions
From DWIKI
m (→show status) |
m (→Links) |
||
| Line 12: | Line 12: | ||
*[http://wintelguy.com/zfs-calc.pl ZFS calculator] | *[http://wintelguy.com/zfs-calc.pl ZFS calculator] | ||
*[https://bm-stor.com/index.php/blog/Linux-cluster-with-ZFS-on-Cluster-in-a-Box/ ZFS clustering] | *[https://bm-stor.com/index.php/blog/Linux-cluster-with-ZFS-on-Cluster-in-a-Box/ ZFS clustering] | ||
* | *[https://jrs-s.net/2015/02/03/will-zfs-and-non-ecc-ram-kill-your-data/ https://jrs-s.net/2015/02/03/will-zfs-and-non-ecc-ram-kill-your-data/] ZFS and ECC] | ||
*[https://docs.joyent.com/private-cloud/troubleshooting/disk-replacement ZFS troubleshooting/disk replacement] | *[https://docs.joyent.com/private-cloud/troubleshooting/disk-replacement ZFS troubleshooting/disk replacement] | ||
*[http://www.raidz-calculator.com/raidz-types-reference.aspx raidz types reference] | |||
| | ||
| | ||
= HOWTO = | = HOWTO = | ||
Revision as of 18:31, 23 April 2022
Links
- ZFS on Linux
- https://wiki.gentoo.org/wiki/ZFS
- ZFS cheatsheet
- http://open-zfs.org
- http://wiki.freebsd.org/ZFSQuickStartGuide
- http://www.opensolaris.org/os/community/zfs/intro/
- http://en.wikipedia.org/wiki/ZFS
- http://www.edplese.com/samba-with-zfs.html
- ZFS calculator
- ZFS clustering
- https://jrs-s.net/2015/02/03/will-zfs-and-non-ecc-ram-kill-your-data/ ZFS and ECC]
HOWTO
Replace disk in zfs
Some links
Get information first:
Name of disk
zpool status
Find uid of disk to replace
take it offline
zpool offline poolname ata-WDC_WD20EFRX-68EUZN0_WD-WCC4M5RLZC6V
Get the disk guid:
zdb
guid: 15233236897831806877
Get list of disk by id:
ls -al /dev/disk/by-id
Save the id, shutdown, replace disk, boot:
Find the new disk:
ls -al /dev/disk/by-id
Run replace command. The id is the guid of the old disk, name is of the new disk
zpool replace tank /dev/disk/by-id/13450850036953119346 /dev/disk/by-id/ata-ST4000VN000-1H4168_Z302FQVZ
FAQ
invalid vdev specification
Probably means you need -f
Tuning arc settings
arcstat arc_summary grep c_max /proc/spl/kstat/zfs/arcstats echo 5368709120 > /sys/module/zfs/parameters/zfs_arc_max
maybe you need
echo 3 > /proc/sys/vm/drop_caches
FAQ
show status and disks
zpool status
show drives/pools
zfs list
check raid level
zfs list -a
