Good advice. Thank you. Stuart Breden PO Box 132 Kalamunda WA 6926 Ph: (08) 9257 1577 Mbl: 0417 053 266
Please consider the environment before printing this email On 19/04/2013, at 10:28 PM, Ronda Brown wrote: > Hi People, > > I find especially since OS X 10.7 & OS X 10.8 I now very rarely use any > third-party Disk Utilities. > I have TechTool Pro 6, Drive Genius, CleanMyMac, DiskWarrior & other > utilities installed on my MacBook Pro and also on my support external drive. > > Apple have improved hardware and OS X that you don't really need to use any > third-party disk utility except in an emergency. A Mac running any version of > OS X later than 10.2 does not need to be defragmented and you should NEVER > Defrag SSD drives. > > "A solid state drive has no moving parts, so there's no mechanical delay. > Reading a section of data takes approximately the same amount of time no > matter where it's located in the flash. > Defragmenting a solid state drive is actually harmful because it forces the > drive to move data around for no good reason, and flash chips have a limit on > how many times they can rewrite a section." > > I agree with what Peter has mentioned previously, and Severin's "housekeeping > measures" are fine. > > The below article by Joe Kissell - 'Do you need a third-party disk utility?' > is worth a read before you spend quite a bit of money on third-party > utilities. > > "OS X performs certain disk maintenance tasks automatically in the > background—for example, it defragments smaller files on the fly, keeping all > their segments contiguous on a hard disk so they’ll load faster. (Solid-state > drives don’t require such defragging.) And, when you perform a safe boot > (starting your Mac with the Shift key held down), OS X runs a more extensive > set of diagnostic and repair procedures without you doing anything else." > > <http://www.macworld.com/article/2030516/do-you-need-a-third-party-disk-utility-.html> > ---- > The most important thing is to have a good Backup Strategy in place, which > includes regular Bootable backups, Offsite backups, Incremental backups. > > Hard Drives do die and you are only as good as your last backup! > > Regards, > Ronni > Sent from Ronni's iPad4 > > On 18/04/2013, at 2:26 PM, Severin Crisp <[email protected]> wrote: > >> Ken, I have looked at Disk Tools Pro but as I already have Tech Tools Pro, >> which I believe is better, I went no further. As Peter says, the OS handles >> most things, but I still run Clean My Mac and Disk Warrior monthly as >> housekeeping measures and hold Tech Tools Pro at the ready in case of need. >> For speed and ease of use I have these and other utilities on an up to date >> bootable partition on a separate external drive, which I find to be an >> excellent arrangement. >> Best wishes >> Severin Crisp >> >> On 18/04/2013, at 1:20 PM, Ken Jackson <[email protected]> wrote: >> >>> Hey thanks Peter for such an in depth response. >>> Yes it's a part of one of those bundled packages being offered. >>> Yes I'm backed up but I may just buy the package to have it there just in >>> case, >>> >>> thanks again Peter, >>> >>> Ken >>> >>> >>> On 18 April 2013 07:42, Peter Hinchliffe <[email protected]> wrote: >>> >>> On 17/04/2013, at 5:03 PM, Ken Jackson <[email protected]> wrote: >>> >>>> Hi folks, >>>> has anyone tried this? >>>> Would anyone recommend it? >>>> >>>> DISK TOOLS PRO >>>> >>> >>> I have Disk Tools Pro. I think I received it as part of some software >>> bundle at one time. Fortunately I have never had to use it in anger, so I >>> can't testify to its effectiveness. >>> >>> Like all software of this type, I would not regard it as maintenance >>> software, rather than a tool to have around in case of emergency. Writing >>> information back to a hard drive always carries risks, and software such as >>> this always has the potential to make a bad problem worse. Knowing this >>> makes such software difficult to road test. Sure, you can test it on a >>> non-essential drive, but if it comes back with no errors you are none the >>> wiser. If it does come back with errors, it's probably time to back up that >>> data and replace the drive. >>> >>> The other problem is that hard drives have so much capacity these days that >>> they are quite likely to have bad sectors, etc, out of the box. Any attempt >>> to repair these is usually futile. Modern OSes are designed to deal with >>> these as a routine matter, so unless they are demonstrably causing problems >>> they can generally be safely ignored. By all means it is probably a good >>> idea to have a tool such as Disk Tools Pro, or any of its cousins such as >>> Tech Tool Pro, Disk Warrior, Drive Genius, etc. They all have different >>> tools and purposes, but ultimately they are all designed to rescue you from >>> a disaster. The best defence remains a good backup strategy. >>> >>> Peter Hinchliffe Apwin Computer Services >>> FileMaker Pro Solutions Developer >>> Perth, Western Australia >>> Phone (618) 9332 6482 Mob 0403 046 948 >>> -------------------------------------------------------------------- >>> Mac because I prefer it -- Windows because I have to. > -- The WA Macintosh User Group Mailing List -- > Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> > Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> > Settings & Unsubscribe - > <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug>
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