Mixing ST31000640SS and ST1000NM0001 in a 2950

kfx kadafax at gmail.com
Tue Jul 3 10:07:58 CDT 2012


On 07/03/2012 05:02 PM, Stephen Dowdy wrote:
> On 07/03/2012 07:57 AM, kfx wrote:
>>
>> Does anyone know if mixing Seagate ST31000640SS and ST1000NM0001 will
>> work for a RAID 5 configuration in a (out of warranty) 2950 ?
>> The adapter is a LSI Logic / Symbios Logic MegaRAID SAS 1078 (rev 04)
>> (PERC 5i ?).
>> On 6 HDD, 5 are ST31000640SS ( 1TB, 7200rpm, 16MB cache, SAS 3 Gb/s)
>> and we may replacing a faulting one with a ST1000NM0001 (1TB, 7200rpm,
>> 64MB cache, SAS 6 Gb/s).
>>
> kfx,
>
> # /usr/local/LSI-Tools/megacli-overview
> [Adapter 0]
> ADP[0]=( PERC 6/i Integrated),FWPkg( 6.3.1-0003),FWVer( 1.22.32-1371)
> BBU[0]=(Learning?=No, charge=99 %, status=Complete, isSOHGood=Yes)
> PD[32:0]=(TOSHIBA/MK1001TRKB/DCA8/SERIALNUM) ME=0,OE=0,PF=0,FW=Online,
> Spun Up,F=None
> PD[32:1]=(SEAGATE/ST31000424SS/KS68/SERIALNUM) ME=0,OE=0,PF=0,FW=Online,
> Spun Up,F=None
> PD[32:2]=(WD/WD1000FYYG/D1B3/SERIALNUM) ME=0,OE=0,PF=0,FW=Online, Spun
> Up,F=None
> PD[32:3]=(SEAGATE/ST31000640SS/MS0C/SERIALNUM) ME=0,OE=0,PF=0,FW=Online,
> Spun Up,F=None
> PD[32:4]=(SEAGATE/ST1000NM0001/PS04/SERIALNUM) ME=0,OE=0,PF=0,FW=Online,
> Spun Up,F=None
> PD[32:5]=(SEAGATE/ST31000640SS/MS0C/SERIALNUM) ME=0,OE=0,PF=0,FW=Online,
> Spun Up,F=None
> PD[32:6]=(SEAGATE/ST1000NM0001/PS06/SERIALNUM) ME=0,OE=0,PF=0,FW=Online,
> Spun Up,F=None
> PD[32:7]=(TOSHIBA/MK1001TRKB/DCA8/SERIALNUM) ME=0,OE=0,PF=0,FW=Online,
> Spun Up,F=None
> VD[0:0]=("OpSys",R(6,0,3),SZ= 124.998 GB,SS=512
> KB,CP=(W=WB,R=ReadADP,IO=D),# 8,Optimal)
> VD[0:1]=("Data",R(6,0,3),SZ= 5.333 TB,SS=512
> KB,CP=(W=WB,R=ReadADP,IO=D),# 8,Optimal)
>
> This system has had EVERY disk replaced at least once.  crappy seagate
> ST31000640SS
> (or were they ST31000424SS originally?)   As you can see, your two
> devices exist
> together in this system fine.  It is a PERC 6/i, but i'm pretty sure we
> have other systems
> with PERC5/i that this works in as well.
>
> The LSI/PERC controllers are pretty good about working (whether
> optimally or not may be
> another question) with variant drive types and firmware.
>
> --stephen
>

Wow thank you for this report, that's pretty clear :)

best wishes




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