屑俺日記

☆ 手元の一番古いSDカード

Class 4。 最初のRasPiと ともにあった。
流石に今は、どうも起動できないっぽいので、e2fsckしてみる。

$ time sudo e2fsck -fpttvc  /dev/sdb2
/dev/sdb2: Superblock has an invalid ジャーナル (iノード 8).
CLEARED.
*** journal has been deleted ***
 
/dev/sdb2: Superblock has_ジャーナル flag is clear, but a ジャーナル is present.
CLEARED.
/dev/sdb2: Updating bad block inode.
/dev/sdb2: ジャーナル iノード is not in use, but contains data.  CLEARED.
/dev/sdb2: Duplicate or bad block in use!
/dev/sdb2: Multiply-claimed block(s) in iノード 8678: 922832--922835
/dev/sdb2: Multiply-claimed block(s) in iノード 21282: 605004--605005 605007 605124--605127
Pass 1b: Memory used: 2388k/536k (2229k/160k), time:  0.06/ 0.06/ 0.00
Pass 1b: I/O read: 63MB, write: 0MB, rate: 1132.58MB/s
Pass 1c: Memory used: 2388k/536k (2229k/160k), time:  3.37/ 0.03/ 0.09
Pass 1c: I/O read: 50MB, write: 0MB, rate: 14.83MB/s
/dev/sdb2: (There are 2 iノードs containing multiply-claimed blocks.)
 
/dev/sdb2: File ... (iノード #8678, mod time Sun Feb  9 08:05:01 2014)
  has 4 multiply-claimed block(s), shared with 1 file(s):
/dev/sdb2:      <The bad blocks inode> (iノード #1, mod time Thu Feb 13 09:11:05 2020)
/dev/sdb2:
 
/dev/sdb2: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY.
        (i.e., without -a or -p options)
 
real    22m29.768s
user    0m0.679s
sys     0m2.921s

☆ Macのイメージ

$ file InstallMacOSX.dmg 
InstallMacOSX.dmg: zlib compressed data

$ 7z e InstallMacOSX.dmg 
 
7-Zip [64] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21
p7zip Version 16.02 (locale=ja_JP.UTF-8,Utf16=on,HugeFiles=on,64 bits,
8 CPUs Intel(R) Core(TM) i7-8565U CPU @ 1.80GHz (806EB),ASM,AES-NI)
 
Scanning the drive for archives:
1 file, 6204629298 bytes (5918 MiB)
 
Extracting archive: InstallMacOSX.dmg
--
Path = InstallMacOSX.dmg
Type = Dmg
Physical Size = 6204629298
Method = Copy Zero2 ZLIB CRC
Blocks = 6162
 
Everything is Ok                               
 
Files: 9
Size:       6812200960
Compressed: 6204629298

$ ls -alFh
合計 13G
drwxr-xr-x  2 user group 4.0K  2月 13 13:28  ./
drwxr-xr-x 18 user group  12K  2月 13 13:29  ../
-rw-r--r--  1 user group  512  2月  7 11:36  0.MBR
-rw-r--r--  1 user group  512  2月  7 11:36 '1.Primary GPT Header'
-rw-r--r--  1 user group  16K  2月  7 11:36 '2.Primary GPT Table'
-rw-r--r--  1 user group 3.0K  2月  7 11:36  3.free
-rw-r--r--  1 user group 200M  2月  7 11:36  
 4.C12A7328-F81F-11D2-BA4B-00A0C93EC93B
-rw-r--r--  1 user group 6.1G  2月  7 11:36  5.hfs
-rw-r--r--  1 user group 129M  2月  7 11:36  6.free
-rw-r--r--  1 user group  16K  2月  7 11:36 '7.Backup GPT Table'
-rw-r--r--  1 user group  512  2月  7 11:36 '8.Backup GPT Header'
-rw-r--r--  1 user group 5.8G  2月  7 11:36  InstallMacOSX.dmg

$ sudo mount -r -t hfsplus -o loop 5.hfs /media/temp/
 
$ ls -alFh /media/temp/
合計 5.8G
drwxr-xr-x 1 root root    5 10月 25 03:01  ./
drwxr-xr-x 8 root root 4.0K 10月 27 21:58  ../
dr-xr-xr-t 1 root root    2  7月  9  2016 '.HFS+ Private Directory Data'$'\r'/
-rw-r--r-- 1 root root 5.8G 10月 25 03:03  InstallMacOSX.pkg

一旦このくらいで。