FWD: advise or best practices with ZFS snapshot
sesquivels
sesquivels at yahoo.com
Sat Apr 10 05:41:19 UTC 2021
On Fri, Apr 09, 2021 at 03:37:40PM +0200, sesquivels at keemail.me wrote:
>
>
> > Hello team, tank you for your time.
> >
> > I was building ZFS pool
> >
> > geom disk list
> > Geom name: nvd0
> > Providers:
> > 1. Name: nvd0
> > �� Mediasize: 512110190592 (477G)
> > �� Sectorsize: 512
> > �� Mode: r2w2e4
> > �� descr: ADATA SX8100NP
> > �� lunid: 00000000010000004ce00018dd8c9084
> > �� ident: 2K26291JGN17
> > �� rotationrate: 0
> > �� fwsectors: 0
> > �� fwheads: 0
> >
> > Geom name: ada2
> > Providers:
> > 1. Name: ada2
> > �� Mediasize: 1000204886016 (932G)
> > �� Sectorsize: 512
> > �� Stripesize: 4096
> > �� Stripeoffset: 0
> > �� Mode: r1w1e1
> > �� descr: ST1000LM035-1RK172
> > �� lunid: 5000c500a7f6b348
> > �� ident: WDE31N7X
> > �� rotationrate: 5400
> > �� fwsectors: 63
> > �� fwheads: 16
> >
> > Geom name: ada3
> > Providers:
> > 1. Name: ada3
> > �� Mediasize: 1000204886016 (932G)
> > �� Sectorsize: 512
> > �� Stripesize: 4096
> > �� Stripeoffset: 0
> > �� Mode: r1w1e1
> > �� descr: TOSHIBA MQ04ABF100
> > �� lunid: 500003998238047c
> > �� ident: 9915PKVBT
> > �� rotationrate: 5400
> > �� fwsectors: 63
> > �� fwheads: 16
> >
> > Geom name: ada4
> > Providers:
> > 1. Name: ada4
> > �� Mediasize: 1000204886016 (932G)
> > �� Sectorsize: 512
> > �� Stripesize: 4096
> > �� Stripeoffset: 0
> > �� Mode: r1w1e2
> > �� descr: ST1000LM049-2GH172
> > �� lunid: 5000c500b9fa0d1f
> > �� ident: WGS1DNPB
> > �� rotationrate: 7200
> > �� fwsectors: 63
> > �� fwheads: 16
> >
> > Geom name: ada5
> > Providers:
> > 1. Name: ada5
> > �� Mediasize: 1000204886016 (932G)
> > �� Sectorsize: 512
> > �� Stripesize: 4096
> > �� Stripeoffset: 0
> > �� Mode: r1w1e2
> > �� descr: ST1000LM035-1RK172
> > �� lunid: 5000c500b40a20b4
> > �� ident: ZDEEM2PD
> > �� rotationrate: 5400
> > �� fwsectors: 63
> > �� fwheads: 16
> >
> > Geom name: ada6
> > Providers:
> > 1. Name: ada6
> > �� Mediasize: 1000204886016 (932G)
> > �� Sectorsize: 512
> > �� Stripesize: 4096
> > �� Stripeoffset: 0
> > �� Mode: r1w1e2
> > �� descr: TOSHIBA MQ04ABF100
> > �� lunid: 50000399eb100983
> > �� ident: 30HOP52LT
> > �� rotationrate: 5400
> > �� fwsectors: 63
> > �� fwheads: 16
> >
> > Geom name: ada7
> > Providers:
> > 1. Name: ada7
> > �� Mediasize: 1000204886016 (932G)
> > �� Sectorsize: 512
> > �� Stripesize: 4096
> > �� Stripeoffset: 0
> > �� Mode: r1w1e2
> > �� descr: ST1000LM035-1RK172
> > �� lunid: 5000c500b3e1e35e
> > �� ident: ZDEEF3X9
> > �� rotationrate: 5400
> > �� fwsectors: 63
> > �� fwheads: 16
> >
> > Geom name: ada8
> > Providers:
> > 1. Name: ada8
> > �� Mediasize: 1000204886016 (932G)
> > �� Sectorsize: 512
> > �� Stripesize: 4096
> > �� Stripeoffset: 0
> > �� Mode: r1w1e1
> > �� descr: WDC WD10SPZX-22Z10T1
> > �� lunid: 50014ee26897b98e
> > �� ident: WD-WXB2AA00UENK
> > �� rotationrate: 5400
> > �� fwsectors: 63
> > �� fwheads: 16
> >
> > Geom name: ada0
> > Providers:
> > 1. Name: ada0
> > �� Mediasize: 1000204886016 (932G)
> > �� Sectorsize: 512
> > �� Stripesize: 4096
> > �� Stripeoffset: 0
> > �� Mode: r1w1e1
> > �� descr: TOSHIBA MQ04ABF100
> > �� lunid: 5000039a6b124e9a
> > �� ident: Y0PPP0UWT
> > �� rotationrate: 5400
> > �� fwsectors: 63
> > �� fwheads: 16
> >
> > Geom name: ada1
> > Providers:
> > 1. Name: ada1
> > �� Mediasize: 128035676160 (119G)
> > �� Sectorsize: 512
> > �� Mode: r1w1e2
> > �� descr: MTFDDAK128MAM-1J1
> > �� lunid: 500a0751039d7440
> > �� ident: 1405039D7440
> > �� rotationrate: 0
> > �� fwsectors: 63
> > �� fwheads: 16
> >
> >
> > ------------------------------------------------
> >
> >
> > zpool status
> > � pool: zroot
> > state: ONLINE
> > � scan: scrub repaired 0 in 0 days 01:43:28 with 0 errors on Thu Mar 18 01:57:21 2021
> > config:
> >
> > ������� NAME������� STATE���� READ WRITE CKSUM
> > ������� zroot������ ONLINE������ 0���� 0���� 0
> > ��������� raidz1-0� ONLINE������ 0���� 0���� 0
> > ����������� ada4p3� ONLINE������ 0���� 0���� 0
> > ����������� ada5p3� ONLINE������ 0���� 0���� 0
> > ����������� ada6p3� ONLINE������ 0���� 0���� 0
> > ����������� ada7p3� ONLINE������ 0���� 0���� 0
> > ��������� raidz1-2� ONLINE������ 0���� 0���� 0
> > ����������� ada0��� ONLINE������ 0���� 0���� 0
> > ����������� ada2��� ONLINE������ 0���� 0���� 0
> > ����������� ada3��� ONLINE������ 0���� 0���� 0
> > ����������� ada8��� ONLINE������ 0���� 0���� 0
> > ������� logs
> > ��������� nvd0p2��� ONLINE������ 0���� 0���� 0
> > ������� cache
> > ��������� nvd0p1��� ONLINE������ 0���� 0���� 0
> >
> > errors: No known data errors
> >
> >
> > -----------------------------------------------------
> > I found some information at manpages for ZFS and,
> >
> > https://docs.oracle.com/cd/E18752_01/html/819-5461/gbchx.html
> > https://docs.oracle.com/cd/E19253-01/819-5461/gbiqe/index.html
> >
> > And these are my questions:
> >
> > About zfs administration, and snapshots, where can I found more information?
> >
> > I did this snapshot
> >
> > zfs list -t snapshot
> > NAME���������������� USED� AVAIL� REFER� MOUNTPOINT
> > zroot/Dom at 03252021� 32.6G����� -�� 353G� -
> >
> > And interested on:
> >
> > Doing a zfs send to file� as this, may I delete snapshjot from my zpool and then restore it using zfs receiver?
> > zfs send zroot/Dom at 03252021 | gzip > /mnt/bkp/march2021.gz
> >
> > I will be appreciate any advise,
> >
> > Serguei Esquivel
> >
> >
> >
> >
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