[B! filesystem] maisenakajimaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

maisenakajima id:maisenakajima

filesystemã«é–¢ã™ã‚‹maisenakajimaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (7)

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/tmp ã¨ /var/tmp ã®é•ã„ - ã—ã‚‡ã¼ã‚“ãƒ¡ãƒ¢ãƒª ï¼ˆÂ´ãƒ»Ï‰ãƒ»ï½€ï¼‰
ã©ã¡ã‚‰ã‚‚ä¸€æ™‚ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ä¿å˜ã™ã‚‹ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã ã‘ã‚Œã©ã€ã¡ã‚ƒã‚“ã¨èª¬æ˜ŽãŒã‚ã£ãŸã®ã§ãƒ¡ãƒ¢ã€‚ /tmp ãƒ»å†èµ·å‹•ã™ã‚‹ã¨ãƒ•ã‚¡ã‚¤ãƒ«ã¯æ¶ˆãˆã‚‹ ãƒ»å®šæœŸçš„ã«å‰Šé™¤ã•ã‚Œã‚‹ï¼ˆ10æ—¥ï¼‰ /var/tmp ãƒ»å†èµ·å‹•ã—ã¦ã‚‚ãƒ•ã‚¡ã‚¤ãƒ«ã¯æ¶ˆãˆãªã„ ãƒ»å®šæœŸçš„ã«å‰Šé™¤ã•ã‚Œã‚‹ï¼ˆ30æ—¥ï¼‰ CentOS 6.xã®å ´åˆãƒ»ãƒ»ãƒ» å†èµ·å‹•å¾Œã®å‡¦ç†ã¯ã€/etc/rc.d/rc.sysinit ã§è¡Œã‚ã‚Œã‚‹ã€‚ å®šæœŸçš„ã«å‰Šé™¤ã™ã‚‹å‡¦ç†ã¯ã€/etc/cron.daily/tmpwatch ã§è¡Œã‚ã‚Œã‚‹ã€‚ ã“ã‚Œã‚‰ã®ç”¨é€”ã¯ã€FHSï¼ˆFilesystem Hierarchy Standard(ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ éšŽå±¤æ¨™æº–ï¼‰ã«è¨˜è¼‰ã•ã‚Œã¦ã„ã‚‹ã€‚ Filesystem Hierarchy Standard http://www.pathname.com/fhs/ FHS 2.3ã«ã‚ˆã‚‹ã¨ãƒ»ãƒ»ãƒ» /tmpï¼šP.15 The /tmp directory must be made
maisenakajima 2014/10/13
linux

ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ

filesystem
ãƒªãƒ³ã‚¯
EXT4 vs XFS vs Btrfs vs ZFSã‚’fioã§ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã‚’å–ã£ã¦ã¿ã¾ã—ãŸã€‚ - Qiita
#æ¦‚è¦ CentOS7ã®ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ãŒXFSã¨ãªã‚Šã¾ã—ãŸã€‚ mkfsã‚³ãƒžãƒ³ãƒ‰ã§ã‚‚ã€minix, xfs, btrfsãŒä½¿ãˆã‚‹ã‚ˆã†ã«ãªã‚Šã¾ã—ãŸã€‚ ãã“ã§æ°—ã«ãªã‚‹ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã‚’è‰²ã€…èª¿ã¹ã€ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã‚’è‡ªåˆ†ãªã‚Šå–ã£ã¦ã¿ã¾ã—ãŸã€‚ å¤šå°‘ãªã‚Šã¨ã‚‚ã”å‚è€ƒã«ãªã‚Œã°ã¨æ€ã„ã¾ã™ã€‚ #è‰²ã€…ãªãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã“ã¡ã‚‰ã‚’ã”å‚è€ƒãã ã•ã„ã€‚ http://qiita.com/sion_cojp/it ems/c8e015db39ddbf43012e #ãã‚Œãžã‚Œãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã‚’ä½œã£ã¦ã¿ã‚‹ ä»Šå›žã®ç’°å¢ƒã¯ CentOS6ï¼ˆãƒ›ã‚¹ãƒˆï¼‰ 4Core, MEM:32G, HDD:300G CentOS7ï¼ˆã‚²ã‚¹ãƒˆã€‚ã“ã¡ã‚‰ã§è¨ˆæ¸¬ã—ã¦ãŠã‚Šã¾ã™ã€‚ï¼‰ vCPU *1, MEM:4G, HDD:40G å®¹é‡ãŒå°‘ãªã‹ã£ãŸãŸã‚ã€btrfsã®ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ãŒçµ‚ã‚ã£ãŸå¾Œã€zfsã«ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã‚’å¤‰æ›´ã—æ¤œè¨¼ã‚’ã—ã¦ãŠã‚Šã¾ã™ã€‚ ### z
maisenakajima 2014/08/15
XFS

CentOS

centos7

Linux

filesystem

ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ
ãƒªãƒ³ã‚¯
[Ubuntu] ãƒ«ãƒ¼ãƒ—ãƒãƒƒã‚¯ãƒ‡ãƒã‚¤ã‚¹ã‚’ç”¨ã„ã¦é€šå¸¸ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã¨ã—ã¦ä½¿ç”¨ã™ã‚‹(XFSç·¨) - Life with IT
2014/08/04æ›´æ–° å¯¾å¿œãƒãƒ¼ã‚¸ãƒ§ãƒ³: 14.04 ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã‚’ä½œã‚‹å ´åˆã€æ™®é€šã¯ç‰©ç†çš„ãªHDDã‚„è«–ç†ãƒœãƒªãƒ¥ãƒ¼ãƒ ãªã©ã‚’ç”¨æ„ã™ã‚‹ãŒã€ä¸€èˆ¬çš„ãªãƒ•ã‚¡ã‚¤ãƒ«ã‚’ãƒ«ãƒ¼ãƒ—ãƒãƒƒã‚¯ãƒ‡ãƒã‚¤ã‚¹ã‚’ç”¨ã„ã¦ãƒžã‚¦ãƒ³ãƒˆã™ã‚‹ã“ã¨ã§ç°¡å˜ã«ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã‚’ä½œã‚‹ã“ã¨ãŒã§ãã‚‹ã€‚ ã“ã®æ–¹æ³•ã¯ä¸€æ™‚çš„ã«ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ å›ºæœ‰ã®ä»•æ§˜ã‚’èª¿ã¹ã‚‹æ™‚ãªã©ã«ä¾¿åˆ©ã§ã‚ã‚‹ã€‚ ã“ã“ã§ã¯ext4ä¸Šã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’XFSã«ä»•ç«‹ã¦ã¦ã¿ã‚‹ã€‚ ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« ã¾ãšãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ã€‚ % sudo apt-get install xfsprogs ã“ã‚Œã§ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã‚’ä½œæˆã™ã‚‹/sbin/mkfs.xfsã‚’ã¯ã˜ã‚ã€/sbinã¨/usr/sbinã«å„ç¨®ç®¡ç†ãƒ„ãƒ¼ãƒ«(xfs*)ãŒã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã•ã‚Œã‚‹ã€‚ XFSã®ãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—/ãƒªã‚¹ãƒˆã‚¢ç”¨ã®ã‚³ãƒžãƒ³ãƒ‰(xfsdump/xfsrestore)ã‚’ä½¿ã„ãŸã„å ´åˆã¯xfsdumpãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã‚‚ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ã€‚ ç©ºãƒ•ã‚¡
maisenakajima 2014/08/13
linux

Ubuntu

filesystem

XFS

ãƒ«ãƒ¼ãƒ—ãƒãƒƒã‚¯
ãƒªãƒ³ã‚¯
How to set up automatic filesystem checks and repair on Linux
How to set up automatic filesystem checks and repair on Linux Last updated on October 1, 2020 by Dan Nanni One of the most important tasks in Linux administration is to check the integrity of the filesystem. The Linux filesystem can be damaged under various circumstances, e.g., system crash, power loss, disconnected disk, accidentally overwritten i-node, etc. Thus it is a good idea to check the in
maisenakajima 2014/03/19
fsckã«é–¢ã™ã‚‹è¨˜äº‹ã€‚

filesystem

Linux
ãƒªãƒ³ã‚¯
Linux ã® ext4 ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã§é–“é•ã£ã¦ä¸Šæ›¸ãã—ãŸãƒ•ã‚¡ã‚¤ãƒ«ã‚’å¾©æ—§ã•ã›ãŸ - éˆ´æœ¨ã†ã©ã‚“ã®æ¨ªé ˆè³€ãŠã‚‚ã—ã‚ç”Ÿæ´»
çµè«– ext4magic æœ€é«˜ï¼ï¼ï¼ï¼ï¼‘ï¼‘ï¼‘ ã‚„ã£ãŸã“ã¨ % ext4magic â€œãƒ‡ãƒã‚¤ã‚¹åã«â€ -r -a â€œã“ã®unixtimeã‹ã‚‰â€ã€€-b â€œã“ã®unixtimeã¾ã§å˜åœ¨ã—ã¦ã„ãŸâ€ -f â€œã“ã®ãƒ•ã‚¡ã‚¤ãƒ«åã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’å¾©æ—§ã™ã‚‹â€ å®Ÿä¾‹ /dev/md0 ä¸Šã®æ˜¨æ—¥ã®20:00ã‹ã‚‰20:30ã®é–“ã¾ã§å˜åœ¨ã—ã¦ã„ãŸ udonchan/backup.tar ã‚’å¾©æ—§ã•ã›ãŸã„ % ext4magic /dev/md0 -r -a $(date -d "-1day 20:00 +%s") -b $(date -d â€œ-1day 20:30 +%s) -f "udonchan/backup.tar" ã©ã†ã—ã¦ã“ã†ãªã£ãŸ å¹´æœ«ãªã®ã§ OSX ã‚’ã‚¯ãƒªãƒ¼ãƒ³ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã‚ˆã†ã¨ã—ã¦ ~ ã‚’ãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—ã—ãŸãŒé–“é•ã£ã¦ä¸Šæ›¸ãã—ã¦æ¶ˆã—ãŸã€‚ å…·ä½“çš„ã«ï¼Ÿ ~ ã‚’ã‚µãƒ¼ãƒä¸Šã«ãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—ã™ã‚‹ãœ % tar cf -C /U
maisenakajima 2013/12/29
ext4magicã‚’ä½¿ç”¨ã—ã¦å¾©æ—§ã€‚ext4magic â€œãƒ‡ãƒã‚¤ã‚¹åã«â€ -r -a â€œã“ã®unixtimeã‹ã‚‰â€ã€€-b â€œã“ã®unixtimeã¾ã§å˜åœ¨ã—ã¦ã„ãŸâ€ -f â€œã“ã®ãƒ•ã‚¡ã‚¤ãƒ«åã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’å¾©æ—§ã™ã‚‹â€

linux

filesystem

ext4
ãƒªãƒ³ã‚¯
FGA: The EFI boot process.
FGA: The EFI boot process. The EFI boot process. You've come to this page because you've asked a question similar to the following: What is the boot process employed by EFI (Extensible Firmware Interface) machine firmware? This is the Frequently Given Answer to such questions. Bootstrapping on EFI involves a boot manager that is built in to the firmware. EFI systems do not rely upon bootstrap prog
maisenakajima 2013/11/23
Bootstrapping on EFI involves a boot manager that is built in to the firmware.

filesystem

microsoft

interface
ãƒªãƒ³ã‚¯
æœ€è¿‘ã®Linuxã§æœ‰åŠ¹ã«ãªã£ã¦ã„ã‚‹I/Oãƒãƒªã‚¢æ©Ÿèƒ½ã¨ã€RDBã¸ã®å½±éŸ¿ | Unofficial DB2 BLOG
æ¯”è¼ƒçš„æ–°ã—ã„ã‚«ãƒ¼ãƒãƒ«ã‚’æŽ¡ç”¨ã—ãŸLinuxãƒ‡ã‚£ã‚¹ãƒˆãƒªãƒ“ãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³ã§ã¯ã€ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã®I/Oãƒãƒªã‚¢ (I/O barrier)æ©Ÿèƒ½ãŒãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§æœ‰åŠ¹ã«ãªã£ã¦ã„ã¾ã™ã€‚ä¾‹ãˆã°Redhat Enterprise Linux (RHEL) 6ã‚„SUSE Linux Enterprise Server (SLES) 11ç‰ã¯ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ç›´å¾Œã®çŠ¶æ…‹ã§ext4ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã®I/Oãƒãƒªã‚¢ãŒæœ‰åŠ¹ã«ãªã£ã¦ã„ã‚‹ã‚ˆã†ã§ã™ã€‚ I/Oãƒãƒªã‚¢ã¯ç°¡å˜ã«ã„ã†ã¨ã€ã€Œãƒãƒªã‚¢å‘½ä»¤ã€ã®å¾Œã§ç™ºè¡Œã•ã‚ŒãŸI/Oã¯ã€ãƒãƒªã‚¢å‘½ä»¤ã®å‰ã«ç™ºè¡Œã•ã‚ŒãŸI/Oã®å¾Œã«å¿…ãšå®Ÿè¡Œã•ã‚Œã‚‹ã‚ˆã†ã«ã™ã‚‹ä»•çµ„ã¿ã§ã™ã€‚ã¤ã¾ã‚ŠI/Oã®é †åºï¼ˆç‰©ç†ãƒ‡ã‚£ã‚¹ã‚¯ã«åæ˜ ã•ã‚Œã‚‹é †ç•ªï¼‰ã‚’ã¾ã‚‚ã‚‰ã›ã‚‹ä»•çµ„ã¿ã¨ã„ãˆã¾ã™ã€‚ ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã«I/Oãƒãƒªã‚¢æ©Ÿèƒ½ãŒè¿½åŠ ã•ã‚ŒãŸã®ã¯ã€ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ãŒä¸æ•´åˆãªçŠ¶æ…‹ã«ãªã‚‹å¯èƒ½æ€§ã‚’æ¸›ã‚‰ã™ãŸã‚ã§ã™ã€‚ ãã‚‚ãã‚‚ã€æ€¥ãªé›»æºæ–ã§ã‚‚ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã®ä¸æ•´åˆãŒèµ·ã“
maisenakajima 2013/11/16
linux

mysql

DB

filesystem

ext4

database

RedHat
ãƒªãƒ³ã‚¯
1