tailieunhanh - Unix Backup and Recovery phần 5

đã nói với họ rằng nó không thể đọc chúng. Cách duy nhất để đảm bảo rằng điều này không bao giờ xảy ra với bạn là để chạy thử nghiệm kiểm tra thường xuyên chống lại các phương tiện truyền thông của bạn. Có một số loại khác nhau xác minh: Đọc một phần của khối lượng và so sánh nó có ít nhất một nhà cung cấp lớn | Primary I-cache size 16 Kbytes Primary D-cache size 16 Kbytes Secondary cache size 2048 Kbytes Memory size 256 Mbytes Graphics GR3-XZ SCSI Disk scsi 0 disk 1 SCSI CD-ROM scsi 1 CD-ROM 3 SCSI Tape scsi 1 tape 4 Audio Iris Audio Processor version A2 revision Next boot the standalone fx program. The filenames of the sash andfx programs for the various SGI processor types are included in Table 11-1. Table 11-1. sash and fx Programs for Different Architectures CPU Architecture sash fx IP17 sash IP 17 IP19 IP20 IP22 IP32 sashARCS IP21 IP25 IP26 IP27 IP30 sash64 To boot from a local CD-ROM drive use a command like this boot -f dksc 1 3 8 sashARCS dksc 1 3 7 stand x Replace dksc 1 3 8 and dksc 1 3 7 with the appropriate CD-ROM drive from the hinv output of the system being recovered and sashARCS and with the appropriate standalone program names from the table. Some of the sash and fx filenames have the processor type as a suffix such as sashIP17 and . To boot fx from a remote machine check to make sure the boot PROM variable netaddr is set to the system s IP address then issue the boot command printenv netaddr netaddr boot -f bootp remote CD-ROM stand -x Page 312 Thefx program will prompt you for the device name of the disk the controller number and the drive number the default values are what most systems would use fx device-name dksc fx ctrl 0 fx drive 1 You should check for any existing partition information using the show label partition command. If the partition information appears to be correct you can exit fx to return to the System Maintenance Menu if not you have to correct the partition information. Most standard SGI system disks use either the rootdrive or usrrootdrive partition template which can be found in the repartition submenu offx. Make sure to use the label sync command to ensure that the system disk partition table is written out and then use the exit command to leavefx and return to .