2016-03-07 13:55 GMT+08:00 Julian Elischer <jul...@freebsd.org>: > 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-discuss@lists.smartos.org" <smartos-discuss@lists.smartos.org >>>> >>>> 、 >>> >>> developer <develo...@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. >
Super cool! Fred ------------------------------------------- smartos-discuss Archives: https://www.listbox.com/member/archive/184463/=now RSS Feed: https://www.listbox.com/member/archive/rss/184463/25769125-55cfbc00 Modify Your Subscription: https://www.listbox.com/member/?member_id=25769125&id_secret=25769125-7688e9fb Powered by Listbox: http://www.listbox.com