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Re: CL_off topic / image or mirror drive software needed



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That does appear to be the product that I have been  itching for too.
Thanks for the research.  I suppose even with this configuration, code that
uses PCID generators and Passwords would not work?

bobr

----- Original Message -----
From: "Bilo Selhi" <citadel@xxxxxxxxxxxx>
To: "Ray Gurke" <Ray_Gurke@xxxxxxxxx>; "BobR" <bobrabcd@xxxxxxxxxxxxx>;
<code-list@xxxxxxxxxxxxx>; <systems-only@xxxxxxxxxxxxx>; "Omega List"
<omega-list@xxxxxxxxxx>
Sent: Saturday, June 02, 2001 5:45 PM
Subject: Re: CL_off topic / image or mirror drive software needed


> exactly my point, RAID is worthless as far as OS failure.
> ok, looks like the winner is:
> XactCopy.
> for $139 it will protect against 1. HD failure, 2.OS
> failure 3. will do backups 4. allows fast boots
> 5. no recovery disks or procedures. 6. will allow
> to pinpoint files that have been damaged on changed or lost...
> 7. no hardware required except the second hard drive.
> nothing else out there will match this one.
> here is the link.
> http://www.duocor.com/xactcopy/index.html
> also it has a very nice white paper on backups.
> my opinion is that everyone should read this one
> and every TS/windows user should get one :-)
>
> so this is final. i have done my research by
> looking at other alternative products
> around 10 overall including hardware cards...
> all mainly $60 junk or too expensive.
>
> bilo.
> no affiliation. looks like the product does exactly what is
> needed.
>
>
> ----- Original Message -----
> From: "Ray Gurke" <Ray_Gurke@xxxxxxxxx>
> To: "BobR" <bobrabcd@xxxxxxxxxxxxx>; <code-list@xxxxxxxxxxxxx>;
> <systems-only@xxxxxxxxxxxxx>; "Omega List" <omega-list@xxxxxxxxxx>
> Sent: Saturday, June 02, 2001 8:34 PM
> Subject: Re: CL_off topic / image or mirror drive software needed
>
>
> > Bob..  I have a Promise controller installed in one of my machines. It's
> > running W2K Professional with two 30 gig IBM drives. It is setup for
RAID
> 1
> > ( mirroring). I purchased the machine about 3 months ago and had the
> > controller installed as part of the original configuration. I use a
local
> > "custom" shop to build/purchase my computers. They installed, ran, and
> > tested several of the promise controllers before installing mine, all
with
> > no problems ...mine has also run flawlessly.
> > Keep in mind that RAID 1 protects you from a HD failure, but is not a
> > substitute for regular backups. Example... let's say you contract a
virus
> or
> > hose-up some files. Guess what... now you have a nice mirror of two
drives
> > with viruses or hosed file ;-)  Now.. if you have a tape/zip/CD/disk
> backup,
> > you can restore your system/files from a time before they became toast.
> > Also.. if you value the many man hours of work you've invested in
creating
> > systems, data, whatever, and this data is stored solely on your HD(s),
> then
> > you'll also want to store a copy of this valuable data ( on some sort of
> > removable media) off-site. Fires and theft happen. Don't have all your
> eggs
> > (data) in one location.
> >
> >
> > ----- Original Message -----
> > From: "BobR" <bobrabcd@xxxxxxxxxxxxx>
> > To: <code-list@xxxxxxxxxxxxx>; <systems-only@xxxxxxxxxxxxx>; "Omega
List"
> > <omega-list@xxxxxxxxxx>
> > Sent: Saturday, June 02, 2001 9:56 AM
> > Subject: Re: CL_off topic / image or mirror drive software needed
> >
> >
> > > Try http://www.promise.com  and Raid 1 configuration.  I have been
> > > considering this, but would like feedback from anyone already doing
it.
> > >
> > > bobr
> >
>
> --------------------------------------------------------------------------
> > --
> > > -------
> > >
> > > This article offers a quick overview of RAID and RAID terms.
> > >   a.. RAID Levels
> > > What is RAID?
> > > to top
> > >
> > > In a standard PC, each hard drive is seen as an independent disk
> > designated
> > > by letters like C,D,E, etc. In a RAID system, multiple hard drives are
> > > placed into one or more "arrays" of disks. Each array is seen as an
> > > independent disk, though that array may include upwards of two, three,
> > four,
> > > or more drives. This is why RAID stands for Redundant Array of
> Independent
> > > Disks. In an IDE RAID array, of course, the drives are low-cost IDE.
> > >
> > > Promise IDE RAID also uses advanced data handling techniques that
takes
> > > advantage of the fact that multiple drives are performing the work of
a
> > > single drive. This includes tagged command
> queuing/scatter-gather/elevator
> > > seek which basically re-orders requests for data depending on their
> > location
> > > on the hard drives. This provides more efficient use of the read/write
> > > heads, particularly in retrieving data.
> > >
> > > RAID Levels
> > > to top
> > >
> > > Using RAID arrays inside a PC offers much greater flexibility,
depending
> > on
> > > application usage. Different RAID levels perform different functions.
> > >
> > > RAID 0 (known as "striping") basically links each drive in the array
as
> > one
> > > huge drive. Storage capacity is determined by the smallest drive in
the
> > > array. That capacity is then applied to format all other drives in the
> > > array. If using a 4GB, 6GB, 5GB drive in a RAID 0 array, your system
> will
> > > see one huge drive of 12GB (4GB x 3) versus 15GB. RAID 0 offers double
> or
> > > more performance under sustained data transfers when one drive per IDE
> > port
> > > is used. In such a configuration, unlike SCSI, IDE drives are always
> > > available to the system. SCSI requires more management of the SCSI
bus.
> > >
> > > Spanning: If a user wishes to obtain all the capacity of the drives in
> an
> > > array, he may also choose to "span" the drives. Unfortunately, there
are
> > no
> > > other benefits except capacity with the spanning solution.
> > >
> > > RAID 1 (known as "mirroring") makes and maintains an identical image
of
> > data
> > > from one drive to a second drive or from multiple drives to a second
set
> > of
> > > multiple drives. Should one drive fail, the working drive or drive set
> > > continues operating. To the system, such an array is still seen as a
> > single
> > > drive letter. While RAID 1 is the least efficient use of hard drives
to
> > > provide data protection (since the user does not see any of the
> additional
> > > storage capacity of the mirrored drives), low-cost IDE makes it
> > acceptable.
> > > If performing 1-to-1 mirroring with two 4GB drives, the system only
sees
> > one
> > > 4GB drive. IDE RAID 1 represents a significantly lower cost than SCSI
> RAID
> > > 1.
> > >
> > > RAID 5 uses a mathematical expression that compares data from two
drives
> > and
> > > calculates a third piece of data called "parity". Should one of the
> drives
> > > fail, parity data can be used to rebuild the failed data. Under RAID
5,
> > > parity data is stored across all drives in the array. This maximizes
the
> > > amount of storage capacity available from all drives in the array
while
> > > still providing data redundancy.
> > >
> > > ----- Original Message -----
> > > From: "Bilo Selhi" <citadel@xxxxxxxxxxxx>
> > > To: <systems-only@xxxxxxxxxxxxx>; "Omega List"
<omega-list@xxxxxxxxxx>;
> > > "Code List" <code-list@xxxxxxxxxxxxx>
> > > Sent: Saturday, June 02, 2001 9:29 AM
> > > Subject: CL_off topic / image or mirror drive software needed
> > >
> > >
> > > > list,
> > > > i need a pointer on the following matter.
> > > >
> > > > i need to be able to make a back up or image or
> > > > mirror copy of
> > > > my master drive, say once a week or a day...
> > > > in case of failure of the main drive or corrupt
> > > > operating system i want to be able to
> > > > plug in the mirrored drive and boot to it in
> > > > a matter of minutes.
> > > >
> > > > so,  i got me a second drive and i the removable
> > > > tray and all.
> > > > but i lack good software to be able to do it.
> > > > i have dos based "drive copy" and "drive image"
> > > > but those don't work real well ( i get errors
> > > > while copying drive, etc ) and i don't feel comfortable
> > > > using it.
> > > >
> > > > the question is:
> > > > - is there a reliable way to back up or mirror or
> > > > image your hard drive onto another hard drive
> > > > so that in case of sudden failure for whatever
> > > > reason i can just plug in the back up drive, boot
> > > > up to it and i am ready to go in under say
> > > > 10 minutes...
> > > > needs to be ***reliable, fast and simple to use
> > > > and win2000 compatible or dos...?
> > > > - is there software that does that reliably and
> > > > specifically designed to do that on win or dos
> > > > operating system?
> > > >
> > > > i want to be able to make the exact copy of
> > > > the master partition which contain the operating
> > > > system every day or at least every week
> > > > reliably?
> > > >
> > > > maybe drive duplication software or something like that?
> > > >
> > > > so far i have found novabackup and xactcopy but
> > > > was wondering if there is anything else out there that
> > > > will do it.
> > > >
> > > > thanks.
> > > > bilo.
> > > >
> > > >
> > > >
> > > > The Code List -
> > > > Subscribe/Unsubscribe
> > > > http://www.markbrown.com
> > >
> >
>