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Having trouble installing a piece of hardware? Want to know if that peripheral is compatible with Linux?


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Old 06-27-2005, 03:56 AM   #1
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SATA hotswap

I've got a PCI SATA (4xport) card with Sil3114 and hot swappable mobile rack.
SATA drives work great, but when I trying to chahnge them - I have to
echo "scsi remove-single-device 0 0 0 0" > /proc/scsi/scsi
then replace hard drive connect it back and
echo "scsi add-single-device 0 0 0 0" > /proc/scsi/scsi
Seems to work ok. But only if using same capacity hard drive,
when I've put a different hard drice (for ex was 200GB then I've put 120gb) it will still show size and geomtery for old hard drive.
The only way I found is to compile kernel with sata_sil as module and then
rmmod sata_sil
modprobe sata_sil
to recognise a new hard drive properply. But if I use all 4 ports then it sholud be some other way to tell kernel (module) that I put a new hard drive and it needed to register it.

How I can do it?
Is it any way to ask kernel(module) to rescan it?
Old 06-27-2005, 10:19 PM   #2
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I'm not sure the kernel supports SATA hotswap, but have you simply tried rescanning the partition using sfdisk?
Old 06-28-2005, 03:06 AM   #3
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You can try to use `hdparm -z`.
Old 06-28-2005, 03:57 AM   #4
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No after reread partition using sfdisk or hdparm will show a new partition but still old HDD geometry and old HDD size


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