Solution
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To make the data usable, scan the data on the damaged tape into the Legato
records, and then create a new ripro client (customer host name) in Legato
nwadmin.
To recover the data from a damaged Legato tape:
At the AIX command line prompt, type scanner -c ripro
-f 27 -v -N Archive.901 /dev/rmt4 -x uasm -rv -m /=/dataVolumes/lion1.5.0/archive.039/901,
and press Enter.
The following table describes the items included in this command:
| Item |
Description |
| -c ripro |
Name of client (customer server) |
| -f 27 |
Go to file -27.
You can type “-r 800” after this value, for example, “-f
27 -r 800” |
| -v |
Verbose mode, which displays more information on-screen |
| -N Archive.889 |
Saveset to be recovered.
Alternatively, you can type
“-S SSID” |
| /dev/rmt4 |
Name of tape drive |
| -x |
Legato flag enables additional commands to be entered
on the same line |
| uasm |
Legato module for saving and recovering UNIX filesystem
data |
| -r |
Rename conflicting files |
| -v |
Verbose mode, which displays more information on-screen |
| -m / |
Map file name. In this example, the value “/”
specifies to map all files from root downwards. |
| /dataV.../../901 |
Path to which to restore file(s) |
The output displays the recovery progress, as in the following example:
/dataVolumes/lion1.5.0/archive.039/901/dataVolumes/ripro.2.1/JobstoArchiveA_L/JobstoArchiveA_L/Set
1/20486 Lawndoctor/Client Art/Icon:0d
/dataVolumes/lion1.5.0/archive.039/901/dataVolumes/ripro.2.1/JobstoArchiveA_L/JobstoArchiveA_L/Set
1/20486 Lawndoctor/Client Art/80558_JACKET2.eps
scanner: scanning file 27, record 900
scanner: scanning file 27, record 1000
scanner: ssid 7666: 96 MB, 1203 file(s)
/dataVolumes/lion1.5.0/archive.039/901/dataVolumes/ripro.2.1/JobstoArchiveA_L/JobstoArchiveA_L/Set
1/20486 Lawndoctor/Client Art/281_44.2.eps
scanner: fn 27 rn 1059 read error The media surface is damaged.
scanner: Opened /dev/rmt4 for read
scanner: Opened /dev/rmt4 for read
scanner: Opened /dev/rmt4 for read
scanner: ssid 7666: NOT complete
scanner: ssid 7666: 96 MB, 1203 file(s) (Indicates
how many MB the SS contains)
scanner: done with 8mm 5GB tape ripro.archive.039
scanner: Rewinding... (The cassette rewinds to the beginning)
scanner: Rewinding done
scanner: the following save sets continue on another volume: (System
prompts for continuation)
client name save set save time level size files ssid S
ripro Archive.901 1/23/02 9:48 98788464 1203 7666 S
scanner: when next volume is ready, enter device name (or `q' to quit)
[/dev/rmt4]? <CR>
scanner: no `NSR device' with the name of `/dev/rmt4' found
scanner: starting file number (or `q' to quit) [2]? 27
scanner: starting record number (or `q' to quit) [0]? 1200
scanner: continuing scan with tape on device `/dev/rmt4'
scanner: no `NSR device' with the name of `/dev/rmt4' found
scanner: Opened /dev/rmt4 for read
scanner: BSF EIO ignored
scanner: Opened /dev/rmt4 for read
scanner: Rewinding...
scanner: Rewinding done
scanner: Reading the label...
scanner: Reading the label done
scanner: scanning 8mm 5GB tape ripro.archive.039 on /dev/rmt4
scanner: volume id 25116 record size 98304
created 1/03/02 7:15:58 expires 1/03/04 7:15:58
scanner: setting position from fn 0, rn 1 to fn 27, rn 1200
scanner: searching for client(s): ripro
AND
save set name(s): Archive.901
scanner: scanning file 27, record 1200
scanner: out of sequence data for ssid 7666, expected 103932772,
found 117771076
scanner: spawning `uasm -rv -m /=/dataVolumes/lion1.5.0/archive.039/901'
for ssid 7666 (ripro:Archive.901)
scanner: ssid 7666: SYNCHRONIZED at 119 MB, 1205 file(s)
uasm: Unable to read checksum from save stream
/dataVolumes/lion1.5.0/archive.039/901/dataVolumes/ripro.2.1/JobstoArchiveA_L/JobstoArchiveA_L/Set
1/20486 Lawndoctor/Client Art/
/dataVolumes/lion1.5.0/archive.039/901/dataVolumes/ripro.2.1/JobstoArchiveA_L/JobstoArchiveA_L/Set
1/20486 Lawndoctor/~~2f0003_15000_11F
/dataVolumes/lion1.5.0/archive.039/901/dataVolumes/ripro.2.1/JobstoArchiveA_L/JobstoArchiveA_L/Set
1/20486 Lawndoctor/Client Quark/.rsrc/~~2f0003_15015_30F
/dataVolumes/lion1.5.0/archive.039/901/dataVolumes/ripro.2.1/JobstoArchiveA_L/JobstoArchiveA_L/Set
1/20486 Lawndoctor/Client Quark/.rsrc/Lawn Doctor Brochure Final 2001
/dataVolumes/lion1.5.0/archive.039/901/dataVolumes/ripro.2.1/JobstoArchiveA_L/JobstoArchiveA_L/Set
1/20486 Lawndoctor/Client Quark/.rsrc/
/dataVolumes/lion1.5.0/archive.039/901/dataVolumes/ripro.2.1/JobstoArchiveA_L/JobstoArchiveA_L/Set
1/20486 Lawndoctor/Client Quark/~~2f0003_15015_30F
/dataVolumes/lion1.5.0/archive.039/901/dataVolumes/ripro.2.1/JobstoArchiveA_L/JobstoArchiveA_L/Set
1/20486 Lawndoctor/Client Quark/Lawn Doctor Brochure Final 2001
scanner: scanning file 27, record 1300
scanner: scanning file 27, record 1400
scanner: scanning file 27, record 1500
scanner: scanning file 27, record 1600
scanner: ssid 7666: 162 MB, 1247 file(s)
.
.
.
/dataVolumes/lion1.5.0/archive.039/901/dataVolumes/ripro.2.1/JobstoArchiveA_L/JobstoArchiveA_L/Set
1/20621 Commvault/20621 Commvault FOnts/.rsrc/MetaPluBolCap
scanner: ssid 7666: scan complete
scanner: ssid 7666: 2014 MB (of 2085 MB, 5248 file(s)) written
/dataVolumes/lion1.5.0/archive.039/901/dataVolumes/ripro.2.1/JobstoArchiveA_L/JobstoArchiveA_L/
/dataVolumes/lion1.5.0/archive.039/901/dataVolumes/ripro.2.1/JobstoArchiveA_L/
/dataVolumes/lion1.5.0/archive.039/901/dataVolumes/ripro.2.1/
/dataVolumes/lion1.5.0/archive.039/901/dataVolumes/
/dataVolumes/lion1.5.0/archive.039/901/
scanner: Opened /dev/rmt4 for read
scanner: done with 8mm 5GB tape ripro.archive.039
scanner: Rewinding...
scanner: Rewinding done
Explanation of output:
- The system reads 100 records at a time and discovers an error with
file 27, record 1059.
- Because the saveset is non-existent, the system prompts for the continuation
of the saveset.
- Skip approximately 200 records and continue. For example, specify
file 27, record 1200.
- When the system recovers the saveset, the scan completes. The system
displays the size of the data that is written to the destination.
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