Cool, I learned something. Thanks. I use disks too. Could "seek" using dd, but I also gzip my stuff and use cpio. :( Anyway, I almost never need to restore a file. :) } -----Original Message----- } From: linux-raid-owner@xxxxxxxxxxxxxxx [mailto:linux-raid- } owner@xxxxxxxxxxxxxxx] On Behalf Of Eyal Lebedinsky } Sent: Sunday, October 25, 2009 2:22 AM } To: linux-raid@xxxxxxxxxxxxxxx } Subject: Re: Is My Data DESTROYED?! } } Guy, } } 'tar -R' does list the block# where a file starts (effectively an index). } You then forward to the file-mark of your file and therein you seek to } the desired block#. Other archiving tools also do this (e.g. afio which } I prefer). } } I used a script that automatically greps the tar listing to extract this } info and extract the desired file from the tape. A few minues is all it } took. } } But I use disks for backup these days... } } cheers } } Guy Watkins wrote: } > } -----Original Message----- } > } From: linux-raid-owner@xxxxxxxxxxxxxxx [mailto:linux-raid- } > } owner@xxxxxxxxxxxxxxx] On Behalf Of Thomas Fjellstrom } > } Sent: Sunday, October 25, 2009 1:26 AM } > } To: linux-raid@xxxxxxxxxxxxxxx } > } Subject: Re: Is My Data DESTROYED?! } > } } > } On Sat October 24 2009, Leslie Rhorer wrote: } [trim] } > } Wouldn't you use some 'tar' like format on the tape so there's a file } > } index } > } you can search without having to scan the entire tape? Then you can } just } > } "ffwd" (seek) to the position. _should_ be lots faster than reading } all of } > } the } > } data from the beginning to the files location trying to find it. Or } maybe } > } there's something I'm missing about tapes? } > } > tar does not have an index. The file name comes just before the file. } I } > use cpio and gzip. But I write to a USB disk. I have restored 1 file, } and } > it had to scan through the data to find the file. } [trim] } } -- } Eyal Lebedinsky (eyal@xxxxxxxxxxxxxx) } -- } To unsubscribe from this list: send the line "unsubscribe linux-raid" in } the body of a message to majordomo@xxxxxxxxxxxxxxx } More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
