IBM/AIX 썸네일형 리스트형 loopmount #loopmount -i cdrom.iso -o "-V cdrfs -o ro" -m /aix6.1 Loopback Device Support in AIX Technote (FAQ) Question This technote discusses the use of the loopback device to mount file or disk images in AIX Answer Introduction In AIX 6100-04-00-0943 (6.1 TL4) support for a loopback device was added to AIX and VIOS (PowerVM). This device can be used as a block device to provide access to file images. T.. 더보기 randev_디바이스이름변경(AIX7) Purpose Renames a device. Syntax rendev -l Name -n NewName [-u] Description The rendev command enables devices to be renamed. The device to be renamed, is specified with the -l flag, and the new desired name is specified with the -n flag. The new desired name must not exceed 15 characters in length. If the name has already been used or is present in the /dev directory, the operation fails. If th.. 더보기 hitachi_disk_정보확인 /usr/DynamicLinkManager/bin/~ #dlnkmgr view -path [-c] : path #dlnkmgr view -lu -c -item vg : lun #dlnkmgr view -drv : hdisk 이 글은 스프링노트에서 작성되었습니다. 더보기 mpio_get_config Alternate command for fget_config –Av is mpio_get_config -Av # which fget_config $ ioslevel On VIOS 2.1 and AIX 6.1 fget_config command is not showing storage disk information. As per my finding there is alternate command to get storage information mpio_get_config /usr/bin/mpio_get_config mpio_get_config -l hdisk4 The system displays a message similar to the following message: Storage Subsystem .. 더보기 바뀐LUN사이즈를VG에적용할때 Currently C-SPOC is unable to provide functionality for dynamic volume expansion. The chvg command does not support use in volume groups varied on in enhanced concurrent mode. If you want to increase the size of a shared LUN allocated to your cluster, follow this process: 1. Bring the volume group offline (stop the cluster on all nodes). 2. On the first cluster node: a. Run cfgmgr b. Varyon the .. 더보기 savevg 10.4.1 The savevg command The savevg command finds and backs up all files belonging to a specified volume group. The command has the following syntax: savevg [ -e ] [ -f Device ] [ -i | -m ] [ -p ] [ -v ] [ -X ] VGName The commonly used flags are shown in Table 10-2. Table 10-2 Commonly used flags for the savevg command Flag Description -e Excludes files specified in the /etc/exclude.vgname file.. 더보기 log볼륨생성 7.10.1.4 Creating an additional log logical volume In some cases, it could be useful to create extra log logical volumes for journaled file systems in a volume group. If you have a JFS that is write extensive, the use of the log logical volume might cause an I/O bottleneck if it is placed on the same disk. So, in such cases, it is useful to create another log logical volume for that file system .. 더보기 ulimt 값을 한꺼번에 unlimited 로 바꾸실때 참고로 ulimt 값을 한꺼번에 unlimited 로 바꾸실때 아래와 같이 하면 편리 합니다. # for X in f d s m do ulimit -$X unlimited done # f d s m 은 file data stack memory 의 옵션입니다. 더보기 AIX Virtual Memory Management AIX Virtual Memory Management Virtual Address Space Virtual address space란 프로세스가 참조하는 어드레스 범위이며, AIX에서는 16개의 Segment와 각 segment당 256MB로 구성된다. 따라서 최대 4GB의 virtual address space를 가지고 있다. Kernel의 경우 virtual address space를 모두 사용할 수 있지만, Process의 경우에는 제한된 공간만 참조할 수 있다. Demand Paging Data는 참조되는 순간에만 실제 Page(Real Memory 최소 관린 단위)에 복사되며, Mapping은 사용자가 인식할 수 없는 순간에 수행된다. Data는: A page from the page space.. 더보기 Command & Location 항목 comment command OS backup OS backup mksysb -i -p /dev/rmt0 1 OS 관련 정보 OS version oslevel -s H/W machine type bit bootinfo -y OS kernel bit bootinfo -K C++ complier version lslpp -l | grep C++ Java install version lslpp -l | grep Java cluster install version lslpp -l | grep cluster boot deives 설정 정보 bootlist -m normal -o dump device 설정 정보 sysdumpdev -l 예상 dump size sysdumpdev -e 해당 OS version.. 더보기 이전 1 2 3 4 5 6 7 ··· 10 다음