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Spurious Not Enough Disk Space Error

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I'm getting a strange error when running a backup:


- 6/11/2008 2:38:01 PM: Copying data on RAID6 (F:)

Not enough disk space for the Catalog File

(short by about 1,717,986,906.5 G)

6/11/2008 7:42:57 PM: Execution incomplete

Remaining: 62754 files, 38.6 GB

Completed: 0 files, zero KB

Performance: 0.0 MB/minute

Duration: 05:04:58 (04:46:34 idle/loading/preparing)


I have rebuilt the catalog file. Notably, there are >8 million files in the directory I'm backing up, but selectors keep the number of files to ~1.5 million. There must be something strange going on. I am using Single Server Version 7.5.508 with the Driver Update and Hot Fix version



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I ran CHKDSK and got the following:


C:\Documents and Settings\Administrator>chkdsk F:

The type of the file system is NTFS.

Volume label is RAID6.


WARNING! F parameter not specified.

Running CHKDSK in read-only mode.


CHKDSK is verifying files (stage 1 of 3)...

11222160 file records processed.

File verification completed.

3143 large file records processed.

0 bad file records processed.

1200 EA records processed.

0 reparse records processed.

CHKDSK is verifying indexes (stage 2 of 3)...

38017908 index entries processed.

Index verification completed.

5 unindexed files processed.

CHKDSK is verifying security descriptors (stage 3 of 3)...

11222160 security descriptors processed.

Security descriptor verification completed.

212752 data files processed.


1953118408 KB total disk space.

1487536372 KB in 11006646 files.

3777400 KB in 212754 indexes.

0 KB in bad sectors.

11520084 KB in use by the system.

65536 KB occupied by the log file.

450284552 KB available on disk.


4096 bytes in each allocation unit.

488279602 total allocation units on disk.

112571138 allocation units available on disk.


I don't know enough to say whether 5 unindexed files processed is a bad thing or how bad it is. Notably, there are approximately 10 million files in the subvolume that is being scanned, but selectors eliminate all but about 1.5 million of them. Could that be the cause? There is 206GB free on the disk where the catalog file is. I'm going to try a recycle backup next.

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