From: Pawel Branski (pawel.branski@foreseeresults.com)
Date: Tue Jul 25 2006 - 15:26:51 EDT
Hi Managers,
We have a SAN build out of 3 StorEdge 3510 (2 JBOD / 1 with 2 RAID
controllers). On the SAN there are a couple of LUN's defined available
to 3 hosts (V880 with Solaris 9 and E2900 with Solaris 10). The hosts
currently are connecting to the LUN's through one Fiber switch. On
E2900 we are using SVM (soft partition) to create partitions.
Output from E2900:
Format info:
2. c3t256000C0FFC86610d0 <SUN-StorEdge3510-413C cyl
34873 alt 2 hd 64 sec 64>
/ssm@0,0/pci@18,700000/SUNW,qlc@1/fp@0,0/ssd@w256000c0ffc86610,0
3. c3t256000C0FFC86610d1 <SUN-StorEdge3510-413C cyl 35148 alt 2
hd 64 sec 127>
/ssm@0,0/pci@18,700000/SUNW,qlc@1/fp@0,0/ssd@w256000c0ffc86610,1
Metastat info:
d41: Soft Partition
Device: /dev/dsk/c3t256000C0FFC86610d0s0
State: Okay
Size: 62914560 blocks (30 GB)
Device Start Block Dbase Reloc
/dev/dsk/c3t256000C0FFC86610d0s0 0 No Yes
Extent Start Block Block count
0 4194306 62914560
d40: Soft Partition
Device: /dev/dsk/c3t256000C0FFC86610d0s0
State: Okay
Size: 4194304 blocks (2.0 GB)
Device Start Block Dbase Reloc
/dev/dsk/c3t256000C0FFC86610d0s0 0 No Yes
Extent Start Block Block count
0 1 4194304
Device Relocation Information:
Device Reloc Device ID
c1t1d0 Yes
id1,sd@SSEAGATE_ST314670LSUN146G4342MLQY____________3KS2MLQY
c1t0d0 Yes
id1,sd@SSEAGATE_ST314670LSUN146G4342MLDZ____________3KS2MLDZ
/dev/dsk/c3t256000C0FFC86610d2 Yes
id1,ssd@n600c0ff000000000086610454bd2bd00
/dev/dsk/c3t256000C0FFC86610d1 Yes
id1,ssd@n600c0ff0000000000866102c0f1b8600
/dev/dsk/c3t256000C0FFC86610d0 Yes
id1,ssd@n600c0ff00000000008661014c9027500
Question: Once we switch RAID controllers from the loop mode to the
point-to-point configuration / introduce second fiber switch to the data
network / introduce second HBA card on the E2900 and enable
multi-pathing are we going to be able to see all data from the SAN?
Will the controller number switch, which will introduce problems with
the SVM (soft partitioning)?
Is SVM working with Device ID numbers or with the cxtxdx numbers?
This potentially could be a show stopper for the project so please
advise me.
Many thanks and I'll post the summary.
pb
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