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[debian-users:57411] Debian7.7でUSB HDDの書込不可の不具合
Debian 7.6から7.7にしたところ外付けのUSB-HDDへ書込ができなくなりました。
USB-HDDはIDE HDDを4台内蔵したものです。
以下、USB HDDのdmesgです。
dmesg ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
[ 102.149669] usb 1-1: new high-speed USB device number 3 using ehci_hcd
[ 102.455172] usb 1-1: New USB device found, idVendor=04bb, idProduct=0109
[ 102.455176] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 102.455178] usb 1-1: Product: I-O DATA HDZ-UES
[ 102.455180] usb 1-1: Manufacturer: I-O DATA DEVICE INC.
[ 102.455181] usb 1-1: SerialNumber: 0000000042A4
[ 102.696205] Initializing USB Mass Storage driver...
[ 102.696925] scsi3 : usb-storage 1-1:1.0
[ 102.697050] usbcore: registered new interface driver usb-storage
[ 102.697052] USB Mass Storage support registered.
[ 103.696717] scsi 3:0:0:0: Direct-Access I-O DATA HDZ-UE1.0TS 6706 PQ: 0 ANSI: 0 CCS
[ 103.700547] sd 3:0:0:0: Attached scsi generic sg5 type 0
[ 103.702445] sd 3:0:0:0: [sde] 1953588672 512-byte logical blocks: (1.00 TB/931 GiB)
[ 103.709362] sd 3:0:0:0: [sde] Write Protect is off
[ 103.709365] sd 3:0:0:0: [sde] Mode Sense: 34 00 00 00
[ 103.715345] sd 3:0:0:0: [sde] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 103.793668] sde: sde1
[ 103.917921] sd 3:0:0:0: [sde] Attached SCSI disk
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
またfdiskでパーティションを作成すると終了時にエラーが発生するようになりました。
fdisk ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
root@sv-server:~# fdisk /dev/sde
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
Building a new DOS disklabel with disk identifier 0x6da6b331.
Changes will remain in memory only, until you decide to write them.
After that, of course, the previous content won't be recoverable.
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
Command (m for help): p
Disk /dev/sde: 1000.2 GB, 1000237400064 bytes
255 heads, 63 sectors/track, 121605 cylinders, total 1953588672 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x6da6b331
Device Boot Start End Blocks Id System
Command (m for help): n
Partition type:
p primary (0 primary, 0 extended, 4 free)
e extended
Select (default p):
Using default response p
Partition number (1-4, default 1):
Using default value 1
First sector (2048-1953588671, default 2048):
Using default value 2048
Last sector, +sectors or +size{K,M,G} (2048-1953588671, default 1953588671):
Using default value 1953588671
Command (m for help): p
Disk /dev/sde: 1000.2 GB, 1000237400064 bytes
255 heads, 63 sectors/track, 121605 cylinders, total 1953588672 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x6da6b331
Device Boot Start End Blocks Id System
/dev/sde1 2048 1953588671 976793312 83 Linux
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
Error closing file <-- ★ここ
root@sv-server:~# fdisk -l /dev/sde
Disk /dev/sde: 1000.2 GB, 1000237400064 bytes
69 heads, 63 sectors/track, 449410 cylinders, total 1953588672 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x6da6b331
Device Boot Start End Blocks Id System
/dev/sde1 2048 1953588671 976793312 83 Linux
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
パーティションはできていてフォーマットも問題なくできます。
マウントも問題ありません。
(mount /dev/sde1 /mnt)
mount(一部) ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
/dev/sde1 on /mnt type ext4 (rw,relatime,user_xattr,barrier=1,data=ordered)
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
ここでls -l /mntをすると/dev/sde1にro属性が設定されてしまいます。
mount(一部) ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
/dev/sde1 on /mnt type ext4 (ro,relatime,user_xattr,barrier=1,data=ordered)
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
で、結果的に書込不可となります。
同じ事をLive CDの7.6でやるとrwのままです。
kernelの問題だと思うのですが、どなたか回避策をご存知ありませんか？
sataの外付けUSB HDDだとroにはならないんですが…。(?_?;)
以上、宜しくお願いします。