Date: Mon, 18 Apr 2016 21:33:05 +0200 From: Bernt Hansson <bah@bananmonarki.se> To: "Jack L." <xxjack12xx@gmail.com> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: Raid 1+0 Message-ID: <57153671.3050602@bananmonarki.se> In-Reply-To: <CALeGphxmwUB1ojzoCe0frZAg2dogeHTeYk9FOjfUxATTzdqhVA@mail.gmail.com> References: <571533F4.8040406@bananmonarki.se> <CALeGphxmwUB1ojzoCe0frZAg2dogeHTeYk9FOjfUxATTzdqhVA@mail.gmail.com>
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On 2016-04-18 21:25, Jack L. wrote: > What size are the disks? That should give a hint on what raid level that is. They are all 1Tb dics. The reported size is 1,8 Tb. > On Mon, Apr 18, 2016 at 12:22 PM, Bernt Hansson <bah@bananmonarki.se> wrote: >> Hello list >> >> My motherboard has a raid chip on it (AMD SB750), so my plan was to use it. >> Since i never used the chip for raid, i thought i might try. >> >> So far this has been done. >> >> Set up 2 arrays with 2 discs in each array with raid1 on both. >> >> Boot up freebsd 10.3-R. Both arrays are found >> >> GEOM_RAID: Promise: Disk ada0 state changed from NONE to ACTIVE. >> GEOM_RAID: Promise: Subdisk RAID 1 LD 1:0-ada0 state changed from NONE to >> ACTIVE. >> GEOM_RAID: Promise: Disk ada1 state changed from NONE to ACTIVE. >> GEOM_RAID: Promise: Subdisk RAID 1 LD 1:1-ada1 state changed from NONE to >> ACTIVE. >> GEOM_RAID: Promise: Volume started. >> GEOM_RAID: Promise: Volume RAID 1 LD 1 state changed from STARTING to >> OPTIMAL. >> GEOM_RAID: Promise: Provider raid/r0 for volume RAID 1 LD 1 created. >> GEOM_RAID: Promise: Disk ada2 state changed from NONE to ACTIVE. >> GEOM_RAID: Promise: Subdisk RAID 1 LD 2:0-ada2 state changed from NONE to >> ACTIVE. >> GEOM_RAID: Promise: Disk ada3 state changed from NONE to ACTIVE. >> GEOM_RAID: Promise: Subdisk RAID 1 LD 2:1-ada3 state changed from NONE to >> ACTIVE. >> GEOM_RAID: Promise: Volume started. >> GEOM_RAID: Promise: Volume RAID 1 LD 2 state changed from STARTING to >> OPTIMAL. >> GEOM_RAID: Promise: Provider raid/r1 for volume RAID 1 LD 2 created. >> >> Used gstripe to stripe the arrays raid/r0 + r1 into stripe0 >> >> Newfs/mount all work. My question, is this a raid 1+0 or 0+1? >> More info can be posted if need be. >> >> # graid list >> Geom name: Promise >> State: OPTIMAL >> Metadata: Promise >> Providers: >> 1. Name: raid/r0 >> Mediasize: 999999995904 (931G) >> Sectorsize: 512 >> Mode: r1w1e2 >> Subdisks: ada0 (ACTIVE), ada1 (ACTIVE) >> Dirty: No >> State: OPTIMAL >> Strip: 65536 >> Components: 2 >> Transformation: RAID1 >> RAIDLevel: RAID1 >> Label: RAID 1 LD 1 >> descr: Promise RAID1 volume >> 2. Name: raid/r1 >> Mediasize: 999999995904 (931G) >> Sectorsize: 512 >> Mode: r1w1e2 >> Subdisks: ada2 (ACTIVE), ada3 (ACTIVE) >> Dirty: No >> State: OPTIMAL >> Strip: 65536 >> Components: 2 >> Transformation: RAID1 >> RAIDLevel: RAID1 >> Label: RAID 1 LD 2 >> descr: Promise RAID1 volume >> Consumers: >> 1. Name: ada0 >> Mediasize: 1000204886016 (932G) >> Sectorsize: 512 >> Mode: r1w1e1 >> ReadErrors: 0 >> Subdisks: r0(RAID 1 LD 1):0@0 >> State: ACTIVE (ACTIVE) >> 2. Name: ada1 >> Mediasize: 1000204886016 (932G) >> Sectorsize: 512 >> Mode: r1w1e1 >> ReadErrors: 0 >> Subdisks: r0(RAID 1 LD 1):1@0 >> State: ACTIVE (ACTIVE) >> 3. Name: ada2 >> Mediasize: 1000204886016 (932G) >> Sectorsize: 512 >> Mode: r1w1e1 >> ReadErrors: 0 >> Subdisks: r1(RAID 1 LD 2):0@0 >> State: ACTIVE (ACTIVE) >> 4. Name: ada3 >> Mediasize: 1000204886016 (932G) >> Sectorsize: 512 >> Mode: r1w1e1 >> ReadErrors: 0 >> Subdisks: r1(RAID 1 LD 2):1@0 >> State: ACTIVE (ACTIVE) >> >> graid status >> Name Status Components >> raid/r0 OPTIMAL ada0 (ACTIVE (ACTIVE)) >> ada1 (ACTIVE (ACTIVE)) >> ada2 (ACTIVE (ACTIVE)) >> ada3 (ACTIVE (ACTIVE)) >> raid/r1 OPTIMAL ada0 (ACTIVE (ACTIVE)) >> ada1 (ACTIVE (ACTIVE)) >> ada2 (ACTIVE (ACTIVE)) >> ada3 (ACTIVE (ACTIVE)) >> >> # gstripe status >> Name Status Components >> stripe/stripe0 UP raid/r0 >> raid/r1 >> root@testbox:/usr/home/bernt # gstripe list >> Geom name: stripe0 >> State: UP >> Status: Total=2, Online=2 >> Type: AUTOMATIC >> Stripesize: 65536 >> ID: 364832905 >> Providers: >> 1. Name: stripe/stripe0 >> Mediasize: 1999999860736 (1.8T) >> Sectorsize: 512 >> Stripesize: 65536 >> Stripeoffset: 0 >> Mode: r1w1e1 >> Consumers: >> 1. Name: raid/r0 >> Mediasize: 999999995904 (931G) >> Sectorsize: 512 >> Mode: r1w1e2 >> Number: 0 >> 2. Name: raid/r1 >> Mediasize: 999999995904 (931G) >> Sectorsize: 512 >> Mode: r1w1e2 >> Number: 1 >
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