| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <1303433101.1389.132.camel@keith-laptop> Date: Thu, 21 Apr 2011 17:45:01 -0700 From: Keith Mannthey <kmannth@...ibm.com> To: linux-ext4@...r.kernel.org Subject: Quick EXT4 discard question Hello, I am using some Intel SSD drives with 2.6.38.2. /proc/scsi/scsi identifies them as: " Host: scsi4 Channel: 00 Id: 04 Lun: 00 Vendor: ATA Model: INTEL SSDSA2M080 Rev: 02M3 Type: Direct-Access ANSI SCSI revision: 05 " Sometimes I am see the following messages that indicate discard is disabled during runtime: Relevant dmesg: ... EXT4-fs (sdw): mounted filesystem with ordered data mode. Opts: nobarrier,discard EXT4...... .... (some time later) EXT4-fs warning (device sdw): release_blocks_on_commit:2672: discard not supported, disabling EXT4-fs warning (device sds): release_blocks_on_commit:2672: discard not supported, disabling EXT4-fs warning (device sdt): release_blocks_on_commit:2672: discard not supported, disabling EXT4-fs warning (device sdu): release_blocks_on_commit:2672: discard not supported, disabling EXT4-fs warning (device sdv): release_blocks_on_commit:2672: discard not supported, disabling I am new to SSDs and discard is there something else I need to do to make these drives work as expected? Thanks, Keith Mannthey LTC Local Filesystem -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists