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questions: |
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* what's going on? |
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* how to find out? |
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* how to fix? |
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symptoms: |
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* can't write (gives read/write error). |
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* but files can get created and deleted. |
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* newly created files, which also have failed writes |
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have 0 bytes in them. |
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* mount /dev/sda1 /boot is slow. |
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* umount /boot is slow. |
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|
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cave ~ # fsck.vfat -v -a -w /dev/sda1 |
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fsck.fat 4.1 (2017-01-24) |
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Checking we can access the last sector of the filesystem |
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0x41: Dirty bit is set. Fs was not properly unmounted and some data may be corrupt. |
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Automatically removing dirty bit. |
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Boot sector contents: |
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System ID "mkfs.fat" |
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Media byte 0xf8 (hard disk) |
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512 bytes per logical sector |
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4096 bytes per cluster |
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32 reserved sectors |
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First FAT starts at byte 16384 (sector 32) |
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2 FATs, 32 bit entries |
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565248 bytes per FAT (= 1104 sectors) |
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Root directory start at cluster 2 (arbitrary size) |
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Data area starts at byte 1146880 (sector 2240) |
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140520 data clusters (575569920 bytes) |
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63 sectors/track, 255 heads |
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2048 hidden sectors |
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1126400 sectors total |
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Got 4096 bytes instead of 562088 at 16384 |
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thoughts? |
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|
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rgrds, |
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cm. |
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