Tag Archives: Zpool

Expanding a zpool and adding ZIL (log) and L2ARC (cache)

February 22, 2013 23:55 / Leave a Comment /

As the nas zpool responsible for storing media and documents have been growing out of its space lately it was time to do something about it. This is how it looked previously. # zpool list san NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT san 3.62T 2.93T 710G 80% 1.00x ONLINE – # zpool status … Read More →

Posted in: FreeBSD, ZFS / Tagged: , , , , ,

Installing FreeBSD 9.1 using root on ZFS and GPT disks

February 1, 2013 23:38 / Leave a Comment /

This is partly based on the excellent guide at http://daemon-notes.com/articles/system/install-zfs/begin. Boot with FreeBSD 9.1 installer and select Live CD when the installer starts. Identify the disks you want to install to. SATA disks are named /dev/adaX and USB pendrives and SCSI drives are named /dev/daX. dmesg|egrep (ada|da) Of which output could look like this: da0 … Read More →

Posted in: FreeBSD, ZFS / Tagged: , , , , ,

Adding a disk to an existing zpool

March 4, 2012 15:47 / Leave a Comment /

zpool attach <zpool name> <existing device> <new device> Where <existing device> is gpt/disk0 in the zpool status output below. pool: zroot state: ONLINE scrub: none requested config: NAME STATE READ WRITE CKSUM zroot ONLINE 0 0 0 gpt/disk0 ONLINE 0 0 0 The pool will create a 1-way mirror (essentially RAID1) using the now two … Read More →

Posted in: ZFS / Tagged: , , ,