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Had a quick search and can't find the answer to this one:
Do each of the HDD's in the 323 Spin Up/Down independently of each other?
Currently have a Raid Edition 1Tb WD Green drive and looking to add a second drive, but the Raid editions are now x2 the cost of a normal Green 1Tb.
So my plan is to keep linux ISO's and web server things on the existing drive, that almost constantly spins. Then put most of media onto the slightly cheaper drive that is only accessed for periodically... so would be spun down for 18 hours while asleep/at work
If anyone knows aboubt this that would be great.
Cheers
JtJ
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Since you configure your drives as two separate drives (not RAID1 or JBOD), yes they will "sleep" independently.
I have such a configuration and I can clearly see that drive 2 is sleeping most of the time because when I need to access it I can hear it spinning up.
I case of RAID array or JBOD I can't tell how it works.
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is there a way to check/log when the drive spins down ..?
also, is it possible that the drive spins down although some activity is happening on the read only structure?
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Theoretically you can ask the current status of a drive with 'hdparm -C device', but not all drives support this. Make sure to read the man pages before using hdparm. It can corrupt your filesystem when used with the wrong switches.
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discovered in another thread that:
dmesg
shows if HD spinned down/up, but without a timestamp ;-(
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mastervol wrote:
discovered in another thread that:
Code:
dmesgshows if HD spinned down/up, but without a timestamp ;-(
dmesg works but it woke up my HD0!
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It woke it up because your /ffp is probably on HD0, and the dmesg in there is higher in your path.
Try the other one in /bin instead. But if you're really starting to get anal about spin-ups (I went through that point too!), then just work on installing /ffp and all your optware packages on a USB stick. It's pretty simple to do, and now I don't get any spin-ups unless my files are actually being accessed.
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