Computing: Disks

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Some archival material is stored in a separate page at disks-old.xml.


Keeping track of disk drives is almost as much as a headache as keeping track of systems. So here is a tally of disks, currently not up-to-date, but which will be added to as more info comes to hand.

Name Size Device@Mount Manufacturer Serial Number UUID Usage Notes
4001 4Tib sdg@/mnt/lizch3 WD WCC7K6FXJD11 4e0ca9e2-6c08-44ce-ab0c-fc2c4d5df1d7 liz-chunk1-spencer
4004 4Tib sdf@/mnt/lizch4 WD WCC7K5XZJCFN 5a033727-7016-4a77-936a-aed60a0200a6 liz-chunk1-spencer
4003 4Tib sdl@/mnt/lizch9 WD WD-WCC7K0FLK5HF 1e684134-1cf7-474b-ad2d-4ad699248ca5 liz-chunk1-spencer
6001 6Tib sdk@/mnt/lizch10 WD WX81D65502ZP 1bbdb01e-a4e4-4e2c-beb3-61ce93b17a5d liz-chunk2-spencer
6002 6TiB sd?@/mnt/lizch11 WD WX81D65503J8 ad6d9f61-7840-44f4-80a2-567a7bc1ca7f liz-chunk2-spencer This disk has unrecoverable errors and has been decommissioned.
6004 6TiB sdh@/mnt/lizch5 Seagate Z4D3H60B 6e0bc74a-f372-43da-b167-f1d8dca33adc liz-chunk3-spencer
6003 6TiB sdi@/mnt/lizch6 Seagate Z4D3GYM0 a4546de6-206b-4124-ae03-ec19cb19390c liz-chunk3-spencer
6006 6TiB sdd@/mnt/lizch1 Toshiba 4872K01FFB8G 125328d4-ccad-4b45-ad92-3c41c756c878 liz-chunk4-spencer
6005 6TiB sde@/mnt/lizch2 Toshiba 487PK02HFB8G 0070afdf-6bb5-4714-973b-8dadc8411cc2 liz-chunk4-spencer
8001 8TiB sdn@/mnt/lizch7 WD VJHBKE8X 37357dd6-562c-489c-9314-f68dc223bc87 liz-chunk5-spencer
8002 8TiB sdm@/mnt/lizch8/lizdat WD VJHBV18X fddcf55d-5b31-4c3d-8695-7d342cb3eca8 liz-chunk6-spencer Note that this disk is split across two chunk servers (6 & 7)
8002 8TiB sdm@/mnt/lizch8/lizdat7 WD VJHBV18X fddcf55d-5b31-4c3d-8695-7d342cb3eca8 liz-chunk7-spencer Note that this disk is split across two chunk servers (6 & 7)
8004 8TiB ext4@/mnt/lizch9 WD VKJYYG7Y 4255eaf6-bdd7-4a2d-99ff-f47d7d298e84 liz-chunk2-newport
8003 8TiB sdi@/mnt/lizch3 WD VKKN3MJY 1bf7204f-37ed-4ec5-a294-f2f525d45b09 liz-chunk3-newport
321 320GiB sda2@/mnt/321 Seagate 5QF2XA15 5acebdee-ba21-11e8-beae-107b44eb5723 spencer has an old system (type/version unknown)
501 500GiB sdd1@/mnt/501 WD WD-WCAS84337265 c6e9c3a3-01fc-403c-b13d-f75422d17818 spencer keep this disk, has previous ubuntu 18.04
2001 2TiB sdb@/mnt/2001 Seagate 5XW1YQJL 2739d4989-c116-492c-ba39-59a764d35fd2 spencer: mythtv/CassetteTapes
3001 3TiB sda@/mnt/3001 Seagate W7301YK7 cfa0e34b-be2d-41a9-b0f5-56fb03925a36 spencer: Pictures still has 1.4TB unused
4002 4Tib sdh@/mnt/lizch1 WD WD-WCC7K3CE9AX4 30c9b924-cf4b-4043-9cfa-5eac28eb1843 newport: Pictures
Seattle2 8TiB sdb2@/media/ajh/Seattle2 Seagate NA7HF5D6 7c421b3c-39f4-3bc5-b814-9edcc5d0a069 Mac OSX backup, Pictures, Movies Newport
backup 8TiB sda@/mnt/backup NA7DX84E e659c888-e639-4cb6-b15a-c48217f64dbb ajh backup

Top Level Allocations

device identifier partitions system usage
nvme0n1 nvme0n1p1, nvme0n1p2 spencer boot, /
2001 - spencer CassetteTapes
3001 - spencer Pictures, Movies
4001 - spencer currently lizard, to become main work disk for spencer
4002 - newport currently lizard, to become main work disk for newport
4002 - newport lizard
4003 - currently lizard on newport, to move to lizard on spencer lizard
8003 - newport lizard
8004 - currently lizard on spencer, to move to lizard on newport lizard
- spencer lizard

New Lizard Structure (20181024)

Name Chunk Mount Position Serial UUID Notes
3001 s:? Pictures,Movies on spencer
4001 s-1 s-lizch3 s:c1 WCC7K6FXJD11 4e0ca9e2-6c08-44ce-ab0c-fc2c4d5df1d7 spe-chunk1
4002 n-1 n-lizch1 n:bay1 Pictures,Movies on newport
4003 n-2 s-lizch9 s:a4 spe-chunk1
4004 s-1 s-lizch4 s:c2 WCC7K5XZJCFN 5a033727-7016-4a77-936a-aed60a0200a6 spe-chunk1
6001 s-2 s-lizch10 s:b1 WX81D65502ZP 1bbdb01e-a4e4-4e2c-beb3-61ce93b17a5d spe-chunk2
6002 decommissioned
6003 s-3 s-lizch6 s:b3 Z4D3GYM0 a4546de6-206b-4124-ae03-ec19cb19390c spe-chunk3
6004 s-3 s-lizch5 s:b4 Z4D3H60B 6e0bc74a-f372-43da-b167-f1d8dca33adc spe-chunk3
6005 s-4 s-lizch2 s:c3 487PK02HFB8G 0070afdf-6bb5-4714-973b-8dadc8411cc2 spe-chunk4
6006 s-4 s-lizch1 s:c4 4872K01FFB8G 125328d4-ccad-4b45-ad92-3c41c756c878 spe-chunk4
6007 s-6 s-lizch11 s:b2 WX61DC9CC76E eb13ac25-aba6-4804-8a5e-123a87cd6391 spe-chunk6
6008 s-7 s-lixch12 s:a3 WX61DC947852 dbbbff4b-f479-4420-be63-b7d837fdc8d3 spe-chunk7
8001 s-5 s-lizch7 s:a1 VJHBKE8X 37357dd6-562c-489c-9314-f68dc223bc87 spe-chunk5
8002 s-6/7 s-lizch8 s:a2 VJHVBV18X fddcf55d-5b31-4c3d-8695-7d342cb3eca8 spe-chunk6 & spe-chunk7
8003 n-1 n-lizch3 n:bay3 new-chunk1
8004 n-2 n-lizch2 s:a4 VKJYYG7Y 4255eaf6-bdd7-4a2d-99ff-f47d7d298e84 new-chunk2
Chunk Total Disk disks
1-sp 12TB 4001,4003,4004
2-sp 6TB 6001
3-sp 12TB 6003,6004
4-sp 12TB 6005,6006
5-sp 8TB 8001
6-sp 10TB 6007,8002 (shared)
7-sp 10TB 6008,8002 (shared)
1-ne 8TB 8003
2-ne 8TB 8004
total 86TB

Some useful configuration information about setting up LizardFS can be found at

Disk Farm

1 2 3 4
e unused unused unused unused
d 321 501 2001 3001
c 4001 4004 6005 6006
b 6001 6007 6003 6004
a 8001 8002 6008 8004

Disks by Mount Point (spencer)

mount point disk label disk size manufacturer serial no.
/dev/nvme0n1 256GB Samsung S2GLNCAGA00614J
/dev/sda 321 320GB 5QF2XA15
/dev/sdb 3001 3TB Toshiba W7301YK7
/dev/sdc 2001 6TB Toshiba 5XW1YQJL
/dev/sdd 501 500GB Western Digital WD-WCAS84337265
/dev/sde 6006 6TB 4872K01FFB8G
/dev/sdf 4004 4TB Western Digital WD-WCC7K5XZJCFN
/dev/sdg 4001 4TB Western Digital WD-WCC7K6FXJD11
/dev/sdh 6004 6TB Z4D3H60B
/dev/sdi 6003 6TB Z4D3GYM0
/dev/sdj 6005 6TB 487PK02HFB8G
/dev/sdk 6001 6TB Western Digital WD-WX81D65502ZP
/dev/sdl 4003 4TB Western Digital WD-WCC7K0FLK5HF
/dev/sdm 8002 8TB VJHBV18X
/dev/sdn 8001 8TB VJHBKE8X
/dev/sdo 6007 6TB Western Digital WD-WX61DC947852
/dev/sdp 6008 6TB Western Digital WD-WX61DC9CC76E


There are no current tips. See the Old Disk Information page for obsolete tips.

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