Hi Mike "a XenData (sales) engineer to consider tar gz as an archive format." TAR has been around for a long time. It's reliable, easy and simple to use. Check out "tar". paul t
On Fri, Jun 22, 2018 at 1:05 AM, Michael L <[email protected]> wrote: > (I apologize if this is too long or too many questions in the same thread, > and for being a leech). > I'm liking this LVM / backup thread right about now, because I'm about to > begin backing up (archive for DR) over 150TB of hard drives to LTO6. Since > LTO8 is out now, LTO6 has already been thoroughly tested. I was told by > one previous LTO6 user that I should use the Barium Ferrite tapes, while a > young consultant told me that wouldn't matter. > > One NLUGGER previously recommended Bacula. Has anyone here used AMANDA or > other archive software that you like? > > I was told (off the record) by a XenData (sales) engineer to consider tar > gz as an archive format. Does this involve extra work? > Thanks, > Michael > > > > PS. I'm happy to say after being sold a tape library with astronomically > expensive software and maintenance and other hidden licensing costs, I'm > finally able to use the 2 drives standalone apart from the library by > getting the serial ports turned on, saving us $5000 this year and another > $2000 each year going forward. > > And Surprisingly / shockingly at NAB in Las Vegas companies stand by ready > to sell overkill unnecessary LTO tape library software and middleware for > close to $20,000, in addition to the tape library. Of course no one > mentions FOSS. > > > > > > > > > > > > > > > > > Surprisingly / shockingly at NAB in Las Vegas companies are standing by > ready to sell overkill unnecessary LTO tape library software and middleware > for close to $20,000, in addition to the tape library. Of course no one > mentions FOSS. I was told one price for backup and several grand more for > long term archive (really?). > > > > > > > > > > > > > > > > > On Fri, Jun 15, 2018, 07:51 Tilghman Lesher <[email protected]> wrote: > >> ZFS doesn't substitute for good backups. If the machine suffers a >> catastrophic loss, ZFS isn't going to bring your data back. If you have a >> good backup, however, you should be able to recover after a period of >> downtime restoring the data. >> >> On Thu, Jun 14, 2018 at 5:54 PM, Alex Smith (K4RNT) < >> [email protected]> wrote: >> >>> Am I the only one who instantly thought about ZFS? >>> >>> " 'With the first link, the chain is forged. The first speech censured, >>> the first thought forbidden, the first freedom denied, chains us all >>> irrevocably.' Those words were uttered by Judge Aaron Satie as wisdom and >>> warning... The first time any man's freedom is trodden on, we’re all >>> damaged." - Jean-Luc Picard, quoting Judge Aaron Satie, Star Trek: TNG >>> episode "The Drumhead" >>> - Alex Smith >>> - Kent, Washington (metropolitan Seattle area) >>> >>> On Thu, Jun 14, 2018 at 3:45 PM, Chris McQuistion <chris.mcquistion@ >>> curreyingram.org> wrote: >>> >>>> Always a good point. There is NO REPLACEMENT for proper backups! >>>> >>>> *Chris McQuistion* >>>> >>>> Director of Information Technology >>>> >>>> Currey Ingram Academy >>>> >>>> 6544 Murray Lane, Brentwood, TN, 37027 >>>> <https://maps.google.com/?q=6544+Murray+Lane,+Brentwood,+TN,+37027&entry=gmail&source=g> >>>> >>>> >>>> *o* 615.507.3175 *c* 615.525.5877 >>>> >>>> www.curreyingram.org >>>> >>>> >>>> >>>> >>>> >>>> >>>> On Thu, Jun 14, 2018 at 9:14 AM Tilghman Lesher <[email protected]> >>>> wrote: >>>> >>>>> All of that is moot if you're keeping offline backups (and maybe even >>>>> offsite backups? Right? Right?), as the backup ensures that even if the >>>>> original system becomes completely unavailable, you still have your >>>>> applications and data. >>>>> >>>>> On Thu, Jun 14, 2018 at 1:37 AM, Csaba Toth <[email protected]> >>>>> wrote: >>>>> >>>>>> My definition of the vendor lock-in is the same. Controller failure >>>>>> is much less common than than disk failure, but when it happens it can be >>>>>> bad. In such case moving off the data may not be easy, the controller >>>>>> knew >>>>>> how it calculated and stored the parity. It's not a rocket science and it >>>>>> can be forensically determined I guess, but that may require non trivial >>>>>> effort. I've heard of a PACS system where the controller failure was >>>>>> forgotten out of the contract (between the hospital and the vendor), but >>>>>> it >>>>>> happened and it was NOT pretty. >>>>>> >>>>>> With LVM it's all software, so you don't even have to move the data >>>>>> off, if you find any controller with JBOD capability which can show the >>>>>> disks again to the system. >>>>>> >>>>>> I also often come across systems which 10+ years old, still running >>>>>> fine, but the controllers become my first thought in my mind. The best if >>>>>> you have some spare one. Still SATA, but yes, PATA for example is getting >>>>>> really outdated. >>>>>> >>>>>> >>>>>> On Mon, Jun 11, 2018, 9:46 AM Tilghman Lesher <[email protected]> >>>>>> wrote: >>>>>> >>>>>>> When I think of vendor lock-in, I generally think of the inability >>>>>>> to move data off of one system. I don't think that's really much of a >>>>>>> concern, at least if you're working with business systems, and your >>>>>>> hardware is not more than a few years old. As the disks tend to fail >>>>>>> more >>>>>>> often than the controller, how you formatted and managed the disks isn't >>>>>>> likely to be the main issue. >>>>>>> >>>>>>> The bigger issue that you're going to encounter is a change in >>>>>>> hardware specification. Imagine that you have a storage room full of >>>>>>> IDE >>>>>>> disks, and you needed to get information off of them, when today, the >>>>>>> prevailing standard is SATA. Or, if you're into tape backups, imagine a >>>>>>> room full of backup tapes and being unable to find a working drive that >>>>>>> takes that specific tape. >>>>>>> >>>>>>> On Sat, Jun 9, 2018 at 12:54 AM, Csaba Toth <[email protected] >>>>>>> > wrote: >>>>>>> >>>>>>>> True. LVM is not remotely equivalent, but can be utilized towards >>>>>>>> use cases of disk arrays. A well versed RAID controller makes it easy >>>>>>>> to >>>>>>>> set up a RAID 50 for example but as you experienced, they can age and >>>>>>>> things can go wrong. Some of them are true hardware RAID, like lats >>>>>>>> time I >>>>>>>> dealt with an AMCC which has PowerPC CPU on board to perform the parity >>>>>>>> computations and related stuff. But for today's CPUs that's not much. >>>>>>>> If >>>>>>>> you have enough spare cards that can be enough fine. >>>>>>>> One thing I also learned long time ago: make sure to have a BBU and >>>>>>>> that the BBU battery is charged & functional, otherwise you can be >>>>>>>> impacted >>>>>>>> by a significant speed hit because the card won't cache as much / >>>>>>>> caches >>>>>>>> differently for data integrity reasons. >>>>>>>> >>>>>>>> On Fri, Jun 8, 2018 at 6:53 PM, Chris McQuistion < >>>>>>>> [email protected]> wrote: >>>>>>>> >>>>>>>>> I don’t think of Linux software RAID as the same as LVM but yes I >>>>>>>>> would prefer Linux software RAID over hardware RAID because the >>>>>>>>> performance >>>>>>>>> is very good and the array is portable. I had a hardware RAID card >>>>>>>>> die on >>>>>>>>> me, many years ago, and it made me realize that I was dependent on >>>>>>>>> that >>>>>>>>> single piece of hardware that the manufacturer (Adaptec) had long >>>>>>>>> since >>>>>>>>> discontinued. >>>>>>>>> >>>>>>>>> Sent from my iPhone >>>>>>>>> >>>>>>>>> On Jun 8, 2018, at 7:54 PM, Csaba Toth <[email protected]> >>>>>>>>> wrote: >>>>>>>>> >>>>>>>>> Would you favor LVM over "hardware" (quote is half intentional)? >>>>>>>>> My twin brother's advice is that this way I can avoid vendor lock-in. >>>>>>>>> And >>>>>>>>> if something goes south I can still migrate to anything which >>>>>>>>> provides JBOD. >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> On Fri, Jun 8, 2018 at 8:00 AM, Chris McQuistion < >>>>>>>>> [email protected]> wrote: >>>>>>>>> >>>>>>>>>> and if you "watch cat /proc/mdstat", you can watch the progress >>>>>>>>>> as your RAID array is built or re-built. >>>>>>>>>> >>>>>>>>>> *Chris McQuistion* >>>>>>>>>> >>>>>>>>>> Director of Information Technology >>>>>>>>>> >>>>>>>>>> Currey Ingram Academy >>>>>>>>>> >>>>>>>>>> 6544 Murray Lane, Brentwood, TN, 37027 >>>>>>>>>> <https://maps.google.com/?q=6544+Murray+Lane,+Brentwood,+TN,+37027&entry=gmail&source=g> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> *o* 615.507.3175 *c* 615.525.5877 >>>>>>>>>> >>>>>>>>>> www.curreyingram.org >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> On Fri, Jun 8, 2018 at 9:58 AM Howard White <[email protected]> >>>>>>>>>> wrote: >>>>>>>>>> >>>>>>>>>>> Currently messing about with a software raid (md). Found a nice >>>>>>>>>>> how-to >>>>>>>>>>> >>>>>>>>>>> <https://www.digitalocean.com/community/tutorials/how-to- >>>>>>>>>>> create-raid-arrays-with-mdadm-on-ubuntu-16-04> >>>>>>>>>>> >>>>>>>>>>> that included a couple of generally useful commands: >>>>>>>>>>> >>>>>>>>>>> lsblk -o NAME,SIZE,FSTYPE,MOUNTPOINT >>>>>>>>>>> >>>>>>>>>>> and >>>>>>>>>>> >>>>>>>>>>> cat /prod/mdstat >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> Enjoy. >>>>>>>>>>> >>>>>>>>>>> Howard >>>>>>>>>>> >>>>>>>>>>> -- >>>>>>>>>>> -- >>>>>>>>>>> You received this message because you are subscribed to the >>>>>>>>>>> Google Groups "NLUG" group. >>>>>>>>>>> To post to this group, send email to [email protected] >>>>>>>>>>> To unsubscribe from this group, send email to >>>>>>>>>>> [email protected] >>>>>>>>>>> For more options, visit this group at http://groups.google.com/ >>>>>>>>>>> group/nlug-talk?hl=en >>>>>>>>>>> >>>>>>>>>>> --- >>>>>>>>>>> You received this message because you are subscribed to the >>>>>>>>>>> Google Groups "NLUG" group. >>>>>>>>>>> To unsubscribe from this group and stop receiving emails from >>>>>>>>>>> it, send an email to [email protected]. >>>>>>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> -- >>>>>>>>>> You received this message because you are subscribed to the >>>>>>>>>> Google Groups "NLUG" group. >>>>>>>>>> To post to this group, send email to [email protected] >>>>>>>>>> To unsubscribe from this group, send email to >>>>>>>>>> [email protected] >>>>>>>>>> For more options, visit this group at http://groups.google.com/ >>>>>>>>>> group/nlug-talk?hl=en >>>>>>>>>> >>>>>>>>>> --- >>>>>>>>>> You received this message because you are subscribed to the >>>>>>>>>> Google Groups "NLUG" group. >>>>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>>>> send an email to [email protected]. >>>>>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>>>>> >>>>>>>>> >>>>>>>>> -- >>>>>>>>> -- >>>>>>>>> You received this message because you are subscribed to the Google >>>>>>>>> Groups "NLUG" group. >>>>>>>>> To post to this group, send email to [email protected] >>>>>>>>> To unsubscribe from this group, send email to >>>>>>>>> [email protected] >>>>>>>>> For more options, visit this group at http://groups.google.com/ >>>>>>>>> group/nlug-talk?hl=en >>>>>>>>> >>>>>>>>> --- >>>>>>>>> You received this message because you are subscribed to the Google >>>>>>>>> Groups "NLUG" group. >>>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>>> send an email to [email protected]. >>>>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>>>> >>>>>>>>> -- >>>>>>>>> -- >>>>>>>>> You received this message because you are subscribed to the Google >>>>>>>>> Groups "NLUG" group. >>>>>>>>> To post to this group, send email to [email protected] >>>>>>>>> To unsubscribe from this group, send email to >>>>>>>>> [email protected] >>>>>>>>> For more options, visit this group at http://groups.google.com/ >>>>>>>>> group/nlug-talk?hl=en >>>>>>>>> >>>>>>>>> --- >>>>>>>>> You received this message because you are subscribed to the Google >>>>>>>>> Groups "NLUG" group. >>>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>>> send an email to [email protected]. >>>>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>>>> >>>>>>>> >>>>>>>> -- >>>>>>>> -- >>>>>>>> You received this message because you are subscribed to the Google >>>>>>>> Groups "NLUG" group. >>>>>>>> To post to this group, send email to [email protected] >>>>>>>> To unsubscribe from this group, send email to >>>>>>>> [email protected] >>>>>>>> For more options, visit this group at http://groups.google.com/ >>>>>>>> group/nlug-talk?hl=en >>>>>>>> >>>>>>>> --- >>>>>>>> You received this message because you are subscribed to the Google >>>>>>>> Groups "NLUG" group. >>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>> send an email to [email protected]. >>>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> Tilghman >>>>>>> >>>>>>> -- >>>>>>> -- >>>>>>> You received this message because you are subscribed to the Google >>>>>>> Groups "NLUG" group. >>>>>>> To post to this group, send email to [email protected] >>>>>>> To unsubscribe from this group, send email to nlug-talk+unsubscribe@ >>>>>>> googlegroups.com >>>>>>> For more options, visit this group at http://groups.google.com/ >>>>>>> group/nlug-talk?hl=en >>>>>>> >>>>>>> --- >>>>>>> You received this message because you are subscribed to the Google >>>>>>> Groups "NLUG" group. >>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>> send an email to [email protected]. >>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>> >>>>>> -- >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "NLUG" group. >>>>>> To post to this group, send email to [email protected] >>>>>> To unsubscribe from this group, send email to nlug-talk+unsubscribe@ >>>>>> googlegroups.com >>>>>> For more options, visit this group at http://groups.google.com/ >>>>>> group/nlug-talk?hl=en >>>>>> >>>>>> --- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "NLUG" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to [email protected]. >>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> Tilghman >>>>> >>>>> -- >>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "NLUG" group. >>>>> To post to this group, send email to [email protected] >>>>> To unsubscribe from this group, send email to nlug-talk+unsubscribe@ >>>>> googlegroups.com >>>>> For more options, visit this group at http://groups.google.com/ >>>>> group/nlug-talk?hl=en >>>>> >>>>> --- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "NLUG" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to [email protected]. >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>> -- >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "NLUG" group. >>>> To post to this group, send email to [email protected] >>>> To unsubscribe from this group, send email to nlug-talk+unsubscribe@ >>>> googlegroups.com >>>> For more options, visit this group at http://groups.google.com/ >>>> group/nlug-talk?hl=en >>>> >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "NLUG" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> -- >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "NLUG" group. >>> To post to this group, send email to [email protected] >>> To unsubscribe from this group, send email to nlug-talk+unsubscribe@ >>> googlegroups.com >>> For more options, visit this group at http://groups.google.com/ >>> group/nlug-talk?hl=en >>> >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "NLUG" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> >> >> -- >> Tilghman >> >> -- >> -- >> You received this message because you are subscribed to the Google Groups >> "NLUG" group. >> To post to this group, send email to [email protected] >> To unsubscribe from this group, send email to nlug-talk+unsubscribe@ >> googlegroups.com >> For more options, visit this group at http://groups.google.com/ >> group/nlug-talk?hl=en >> >> --- >> You received this message because you are subscribed to the Google Groups >> "NLUG" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> > -- > -- > You received this message because you are subscribed to the Google Groups > "NLUG" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to nlug-talk+unsubscribe@ > googlegroups.com > For more options, visit this group at http://groups.google.com/ > group/nlug-talk?hl=en > > --- > You received this message because you are subscribed to the Google Groups > "NLUG" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- -- You received this message because you are 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To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nlug-talk?hl=en --- You received this message because you are subscribed to the Google Groups "NLUG" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
