On 6/03/2016 9:30 PM, Fred Liu wrote:
2016-03-05 0:01 GMT+08:00 Freddie Cash <fjwc...@gmail.com>:
On Mar 4, 2016 2:05 AM, "Fred Liu" <fred.f...@gmail.com> wrote:
2016-03-04 13:47 GMT+08:00 Freddie Cash <fjwc...@gmail.com>:
Currently, I just use a simple coordinate system. Columns are letters,
rows are numbers.
"smartos-disc...@lists.smartos.org" <smartos-disc...@lists.smartos.org
、
developer <developer@open-zfs.org>、
illumos-developer <develo...@lists.illumos.org>、
omnios-discuss <omnios-disc...@lists.omniti.com>、
Discussion list for OpenIndiana <openindiana-disc...@openindiana.org>、
illumos-zfs <z...@lists.illumos.org>、
"zfs-disc...@list.zfsonlinux.org" <zfs-disc...@list.zfsonlinux.org>、
"freebsd...@freebsd.org" <freebsd...@freebsd.org>、
"zfs-de...@freebsd.org" <zfs-de...@freebsd.org>
Each disk is partitioned using GPT with the first (only) partition
starting at 1 MB and covering the whole disk, and labelled with the
column/row where it is located (disk-a1, disk-g6, disk-p3, etc).
[Fred]: So you manually pull off all the drives one by one to locate
them?
When putting the system together for the first time, I insert each disk
one at a time, wait for it to be detected, partition it, then label it
based on physical location. Then do the next one. It's just part of the
normal server build process, whether it has 2 drives, 20 drives, or 200
drives.
We build all our own servers from off-the-shelf parts; we don't buy
anything pre-built from any of the large OEMs.
[Fred]: Gotcha!
The pool is created using the GPT labels, so the label shows in "zpool
list" output.
[Fred]: What will the output look like?
From our smaller backups server, with just 24 drive bays:
$ zpool status storage
pool: storage
state: ONLINE
status: Some supported features are not enabled on the pool. The pool can
still be used, but some features are unavailable.
action: Enable all features using 'zpool upgrade'. Once this is done,
the pool may no longer be accessible by software that does not support
the features. See zpool-features(7) for details.
scan: scrub canceled on Wed Feb 17 12:02:20 2016
config:
NAME STATE READ WRITE CKSUM
storage ONLINE 0 0 0
raidz2-0 ONLINE 0 0 0
gpt/disk-a1 ONLINE 0 0 0
gpt/disk-a2 ONLINE 0 0 0
gpt/disk-a3 ONLINE 0 0 0
gpt/disk-a4 ONLINE 0 0 0
gpt/disk-a5 ONLINE 0 0 0
gpt/disk-a6 ONLINE 0 0 0
raidz2-1 ONLINE 0 0 0
gpt/disk-b1 ONLINE 0 0 0
gpt/disk-b2 ONLINE 0 0 0
gpt/disk-b3 ONLINE 0 0 0
gpt/disk-b4 ONLINE 0 0 0
gpt/disk-b5 ONLINE 0 0 0
gpt/disk-b6 ONLINE 0 0 0
raidz2-2 ONLINE 0 0 0
gpt/disk-c1 ONLINE 0 0 0
gpt/disk-c2 ONLINE 0 0 0
gpt/disk-c3 ONLINE 0 0 0
gpt/disk-c4 ONLINE 0 0 0
gpt/disk-c5 ONLINE 0 0 0
gpt/disk-c6 ONLINE 0 0 0
raidz2-3 ONLINE 0 0 0
gpt/disk-d1 ONLINE 0 0 0
gpt/disk-d2 ONLINE 0 0 0
gpt/disk-d3 ONLINE 0 0 0
gpt/disk-d4 ONLINE 0 0 0
gpt/disk-d5 ONLINE 0 0 0
gpt/disk-d6 ONLINE 0 0 0
cache
gpt/cache0 ONLINE 0 0 0
gpt/cache1 ONLINE 0 0 0
errors: No known data errors
The 90-bay systems look the same, just that the letters go all the way to
p (so disk-p1 through disk-p6). And there's one vdev that uses 3 drives
from each chassis (7x 6-disk vdev only uses 42 drives of the 45-bay
chassis, so there's lots of spares if using a single chassis; using two
chassis, there's enough drives to add an extra 6-disk vdev).
[Fred]: It looks like the gpt label shown in "zpool status" only works in
FreeBSD/FreeNAS. Are you using FreeBSD/FreeNAS? I can't find the similar
possibilities in Illumos/Linux.
Ah that's a trick.. FreeBSD exports an actual
/dev/gpt/{you-label-goes-here} for each labeled partition it finds.
So it's not ZFS doing anything special.. it's what FreeBSD is calling
the partition.
Thanks,
Fred
*illumos-zfs* | Archives
<https://www.listbox.com/member/archive/182191/=now>
<https://www.listbox.com/member/archive/rss/182191/22147814-d504851f> |
Modify
<https://www.listbox.com/member/?&;>
Your Subscription <http://www.listbox.com>
_______________________________________________
freebsd...@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/freebsd-fs
To unsubscribe, send any mail to "freebsd-fs-unsubscr...@freebsd.org"
-------------------------------------------
openzfs-developer
Archives: https://www.listbox.com/member/archive/274414/=now
RSS Feed: https://www.listbox.com/member/archive/rss/274414/28015062-cce53afa
Modify Your Subscription:
https://www.listbox.com/member/?member_id=28015062&id_secret=28015062-f966d51c
Powered by Listbox: http://www.listbox.com
