Where'd my disk space go? (more info)

From: George Gallen <ggallen_at_slackinc.com>
Date: Tue, 27 Jun 2000 10:44:13 -0400

Not sure if this matters...

I created the filesystems for the new drives using 4.0d, but
right now the drives are being used in 3.2c. Should I have
reformatted the drives under 3.2c? The disklabel read fine
and the filesystem seemed(?) to work without problems.....
then again...

George

>-----Original Message-----
>From: George Gallen [mailto:ggallen_at_slackinc.com]
>Sent: Tuesday, June 27, 2000 10:26 AM
>To: 'tru64-unix-managers_at_ornl.gov'
>Subject: Where'd my disk space go? (more info)
>
>
>After I restored the data that resided on one partition of
>the rz28 (apx 1gb) onto the partition of rz1df (apx 4gb)
>I ran (du -k -s) and it showed 2.7gb. Now that 2.7gb of
>files came from a filesystem of about 1gb by doing a
>cp -Rp rz28partition rz1dfpartition.
>
>Would changing the partition size from 1gb to 4gb, change
>the minimum amount of drive space required for "each" file
>that much it would increase in size by 1.7gb?
>
>Yes, I do realize these drives are not partitioned for their
>full capacity, as some have pointed out.
>
>Thanks
>George
>
>>-----Original Message-----
>>From: George Gallen [mailto:ggallen_at_slackinc.com]
>>Sent: Monday, June 26, 2000 10:58 PM
>>To: 'tru64-unix-managers_at_ornl.gov'
>>Subject: Where'd my disk space go?
>>
>>
>>Is this "problem" related to an increase in inodes?
>>
>>I replaced a 2.1gb with 2 filesystems (ufs) each apx 1gb each
>>with a 9.1 gb with 2 filessystems (ufs) each apx 4gb each
>>
>>Replaced rz28's with rz1df's
>>
>>Now my 2.1 filesystems were about 80 & 90 % full when I
>>replaced the drives
>>Now my 9.1 filesystems are about 50 & 70 % full.
>>
>>Why didn't the new filesystems go to around 20 & 25 % full? I
>increased
>>the avail space by a factor of 4, wouldn't the % of used
>space decrease
>>by a factor of 4?
>>
>>sample disklabel from the rz28 still on the system:
>>
>># /dev/rrz1a:
>>type: SCSI
>>disk: RZ28B
>>label:
>>flags:
>>bytes/sector: 512
>>sectors/track: 99
>>tracks/cylinder: 16
>>sectors/cylinder: 1584
>>cylinders: 2595
>>sectors/unit: 4110480
>>rpm: 3600
>>interleave: 1
>>trackskew: 0
>>cylinderskew: 0
>>headswitch: 0 # milliseconds
>>track-to-track seek: 0 # milliseconds
>>drivedata: 0
>>
>>8 partitions:
>># size offset fstype [fsize bsize cpg]
>> a: 131072 0 unused 1024 8192 #
>>(Cyl. 0 - 82*)
>> b: 401408 131072 unused 1024 8192 #
>>(Cyl. 82*- 336*)
>>
>> c: 4110480 0 unused 1024 8192 #
>>(Cyl. 0 - 2594)
>> d: 1191936 532480 unused 1024 8192 # (Cyl. 336*-
>>1088*)
>> e: 1191936 1724416 unused 1024 8192 # (Cyl. 1088*-
>>1841*)
>> f: 1194128 2916352 unused 1024 8192 # (Cyl. 1841*-
>>2594*)
>> g: 1787904 532480 4.2BSD 1024 8192 16 # (Cyl. 336*-
>>1464*)
>> h: 1790096 2320384 4.2BSD 1024 8192 16 # (Cyl. 1464*-
>>2594*)
>>
>>
>>sample disklabel from the rz1df on the system now:
>>
>># /dev/rrz2a:
>>type: SCSI
>>disk: RZ1DF-CB
>>label:
>>flags: dynamic_geometry
>>bytes/sector: 512
>>sectors/track: 168
>>tracks/cylinder: 20
>>sectors/cylinder: 3360
>>cylinders: 5273
>>sectors/unit: 17773524
>>rpm: 7200
>>interleave: 1
>>trackskew: 28
>>cylinderskew: 72
>>headswitch: 0 # milliseconds
>>track-to-track seek: 0 # milliseconds
>>drivedata: 0
>>
>>8 partitions:
>># size offset fstype [fsize bsize cpg]
>> a: 131072 0 4.2BSD 1024 8192 16 #
>>(Cyl. 0 - 39*)
>> b: 262144 131072 unused 0 0 #
>>(Cyl. 39*- 117*)
>>
>> c: 17773524 0 unused 0 0 #
>(Cyl. 0 -
>>5289*)
>> d: 0 0 unused 0 0 #
>>(Cyl. 0 - -1)
>> e: 0 0 unused 0 0 #
>>(Cyl. 0 - -1)
>> f: 0 0 unused 0 0 #
>>(Cyl. 0 - -1)
>> g: 8690154 393216 4.2BSD 1024 8192 16 # (Cyl. 117*-
>>2703*)
>> h: 8690154 9083370 4.2BSD 1024 8192 16 # (Cyl. 2703*-
>>5289*)
>>
>>Currently running 3.2c
>>
>>Thanks
>>George
>>
>>
>>
>>
>>
>>George Gallen
>>Senior Programmer/Analyst
>>Accounting/Data Division
>>ggallen_at_slackinc.com
>>ph:856.848.1000 Ext 220
>>
>>SLACK Incorporated - An innovative information, education and
>>management
>>company
>>http://www.slackinc.com
>>
>
Received on Tue Jun 27 2000 - 14:45:52 NZST

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