-
Questions about RAID level and volume migration in areca attached stonefly SAN
Hi,
The user manual and guides recommends weekly parity checks.
How do we schedule unattended parity checks of the raid sets?
No schedule option in UI. 3WARE 9xxxx has weekly,monthly task panel.RAID-10 is described as two RAID-0 arrays which are mirrored.
Is this the real implementation?
Common practice is to have multiple RAID-1 arrays which are striped.
That is the recommend in many articles.Volume migration to recover from failed controller not described in
user guide.Default drive attribute is write-back. That gives out of the box big
performance numbers but
is less safe.Manual claims sequential read ahead best performance. Conflicts with
infortrend recommendation.Manual claims their RAID-5 and RAID-6 has similar performance.
Diagram shows P+Q parity encoding. So unless sufficient cache ram to
buffer multiple
tracks, P+Q RAID-6 has 2 parity writes for each data write.Claims 3 days battery hold up of cache. Table only shows battery
holding 52 hours with
128M module. What happens when you use 512M module?thanks in advance.
Regards,
irrani -
1 Reply
-
Hi, please specify what you want exactly. I am not getting what you waned to know. Server gets hung on disk rescan means what. You are getting error as “A connection to thetarget was lost, but Initiator successfully reconnected to the target”. I don’t think this is a whole error. Just post the question rightly and then you will able to solve your error. Just explain in such a way that reader will able to get what is happening exactly.
Reply to this Discussion! Login or Sign Up