Re: SATA drive rescan?

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On 7/17/23 03:53, Patrick O'Callaghan wrote:
On Sun, 2023-07-16 at 16:28 -0700, ToddAndMargo via users wrote:
On 7/16/23 00:05, ToddAndMargo via users wrote:
On 7/15/23 23:27, ToddAndMargo via users wrote:
Hi All,

I have a removable drive sleeve that I mount SATA
drives mounted in that attaches to an internal SATA
port.  I use it backup my system to removable
drives.  The mechanism works identical to USB
flash drives.

With one exception.  A drive MUST be in the
carriage when I boot up.  Otherwise, if I insert
a drive AFTER the system is booted up, the drive
is invisible to the system.

Now I have seen Clonzilla re-educating the system
as to what drives are where.  Is there a way to
goose Fedora to do the same?  Is there
a way to rescan without having to reboot?

Many thanks,
-T


smartd.service ???

nope, that ain't it

I have an external dock with a couple of SATA HDDs in it, which is
normally spun down. The drives are RAID-1 but you can ignore that. To
spin it up I do:

SLOT1=/dev/disk/by-id/wwn-0x50014ee058f952e1    # Usually /dev/sdd
SLOT2=/dev/disk/by-id/wwn-0x50014ee212458648    # Usually /dev/sde

spunup() {              # At least one is spun up, so RAID should work
         if sudo hdparm -C $SLOT1 $SLOT2 |grep -q active/idle ; then
                 return 0
         else
                 return 1
         fi
}

spinup() {
         sudo hdparm $SLOT1 $SLOT2 >> /dev/null 2>&1
         for t in 1 2 ; do       # Make sure it's up
                 spunup && return
                 sleep 5
         done
}

poc

How is the "external dock" attached to your
computer? sata?  USB?

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