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fix: skip USB-attached disks in %pre (JetKVM virtual media is SCSI-over-USB)

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Check sysfs device path for 'usb' to skip JetKVM virtual media which
appears as /dev/sda but is not a real install target.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Michal
2026-03-29 12:51:44 +01:00
parent a7a6ad8098
commit 6c6d5763c4
1 changed files with 5 additions and 2 deletions
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7
bastion/src/bastion/src/templates/install.ks.ts
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@@ -90,11 +90,14 @@ chmod 440 /etc/sudoers.d/${adminUser}`;
: `DISK=""
# Wait up to 10s for NVMe/SCSI disks to appear (they init async in initrd)
for _wait in $(seq 1 10); do
for d in /dev/nvme0n1 /dev/sda /dev/vda; do
for d in /dev/nvme0n1 /dev/nvme1n1 /dev/sda /dev/sdb /dev/vda; do
[ -b "$d" ] || continue
# Skip removable disks (USB, CD-ROM, JetKVM virtual media)
_bname=$(basename "$d")
# Skip removable disks (USB, CD-ROM, JetKVM virtual media)
[ -f "/sys/block/$_bname/removable" ] && [ "$(cat /sys/block/$_bname/removable)" = "1" ] && continue
# Skip USB-attached disks (JetKVM virtual media shows as SCSI over USB)
_transport=$(readlink -f /sys/block/$_bname/device 2>/dev/null || echo "")
echo "$_transport" | grep -q "usb" && continue
# Skip disks smaller than 20GB (likely USB sticks)
_size=$(cat /sys/block/$_bname/size 2>/dev/null || echo 0)
[ "$_size" -lt 41943040 ] && continue